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<FONT color="green">001</FONT>    /**<a name="line.1"></a>
<FONT color="green">002</FONT>     * =================================================================================<a name="line.2"></a>
<FONT color="green">003</FONT>     *<a name="line.3"></a>
<FONT color="green">004</FONT>     * BSD LICENCE (http://en.wikipedia.org/wiki/BSD_licenses)<a name="line.4"></a>
<FONT color="green">005</FONT>     *<a name="line.5"></a>
<FONT color="green">006</FONT>     * ARTIFACT='barchart-udt4';VERSION='1.0.2-SNAPSHOT';TIMESTAMP='2011-01-11_09-30-59';<a name="line.6"></a>
<FONT color="green">007</FONT>     *<a name="line.7"></a>
<FONT color="green">008</FONT>     * Copyright (C) 2009-2011, Barchart, Inc. (http://www.barchart.com/)<a name="line.8"></a>
<FONT color="green">009</FONT>     *<a name="line.9"></a>
<FONT color="green">010</FONT>     * All rights reserved.<a name="line.10"></a>
<FONT color="green">011</FONT>     *<a name="line.11"></a>
<FONT color="green">012</FONT>     * Redistribution and use in source and binary forms, with or without modification,<a name="line.12"></a>
<FONT color="green">013</FONT>     * are permitted provided that the following conditions are met:<a name="line.13"></a>
<FONT color="green">014</FONT>     *<a name="line.14"></a>
<FONT color="green">015</FONT>     *     * Redistributions of source code must retain the above copyright notice,<a name="line.15"></a>
<FONT color="green">016</FONT>     *     this list of conditions and the following disclaimer.<a name="line.16"></a>
<FONT color="green">017</FONT>     *<a name="line.17"></a>
<FONT color="green">018</FONT>     *     * Redistributions in binary form must reproduce the above copyright notice,<a name="line.18"></a>
<FONT color="green">019</FONT>     *     this list of conditions and the following disclaimer in the documentation<a name="line.19"></a>
<FONT color="green">020</FONT>     *     and/or other materials provided with the distribution.<a name="line.20"></a>
<FONT color="green">021</FONT>     *<a name="line.21"></a>
<FONT color="green">022</FONT>     *     * Neither the name of the Barchart, Inc. nor the names of its contributors<a name="line.22"></a>
<FONT color="green">023</FONT>     *     may be used to endorse or promote products derived from this software<a name="line.23"></a>
<FONT color="green">024</FONT>     *     without specific prior written permission.<a name="line.24"></a>
<FONT color="green">025</FONT>     *<a name="line.25"></a>
<FONT color="green">026</FONT>     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"<a name="line.26"></a>
<FONT color="green">027</FONT>     * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED<a name="line.27"></a>
<FONT color="green">028</FONT>     * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.<a name="line.28"></a>
<FONT color="green">029</FONT>     * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,<a name="line.29"></a>
<FONT color="green">030</FONT>     * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,<a name="line.30"></a>
<FONT color="green">031</FONT>     * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,<a name="line.31"></a>
<FONT color="green">032</FONT>     * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,<a name="line.32"></a>
<FONT color="green">033</FONT>     * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING<a name="line.33"></a>
<FONT color="green">034</FONT>     * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.<a name="line.34"></a>
<FONT color="green">035</FONT>     *<a name="line.35"></a>
<FONT color="green">036</FONT>     * Developers: Andrei Pozolotin;<a name="line.36"></a>
<FONT color="green">037</FONT>     *<a name="line.37"></a>
<FONT color="green">038</FONT>     * =================================================================================<a name="line.38"></a>
<FONT color="green">039</FONT>     */<a name="line.39"></a>
<FONT color="green">040</FONT>    package com.barchart.udt;<a name="line.40"></a>
<FONT color="green">041</FONT>    <a name="line.41"></a>
<FONT color="green">042</FONT>    import java.net.InetAddress;<a name="line.42"></a>
<FONT color="green">043</FONT>    import java.net.InetSocketAddress;<a name="line.43"></a>
<FONT color="green">044</FONT>    import java.nio.ByteBuffer;<a name="line.44"></a>
<FONT color="green">045</FONT>    import java.nio.ByteOrder;<a name="line.45"></a>
<FONT color="green">046</FONT>    import java.nio.IntBuffer;<a name="line.46"></a>
<FONT color="green">047</FONT>    import java.util.Set;<a name="line.47"></a>
<FONT color="green">048</FONT>    <a name="line.48"></a>
<FONT color="green">049</FONT>    import org.slf4j.Logger;<a name="line.49"></a>
<FONT color="green">050</FONT>    import org.slf4j.LoggerFactory;<a name="line.50"></a>
<FONT color="green">051</FONT>    <a name="line.51"></a>
<FONT color="green">052</FONT>    import com.barchart.udt.lib.LibraryLoaderUDT;<a name="line.52"></a>
<FONT color="green">053</FONT>    <a name="line.53"></a>
<FONT color="green">054</FONT>    /* note: do not change field names; used by JNI */<a name="line.54"></a>
<FONT color="green">055</FONT>    /* note: must synchronize create/destroy - workaround for bug in UDT */<a name="line.55"></a>
<FONT color="green">056</FONT>    // TODO centralize http references<a name="line.56"></a>
<FONT color="green">057</FONT>    /**<a name="line.57"></a>
<FONT color="green">058</FONT>     * current implementation supports IPv4 only (no IPv6)<a name="line.58"></a>
<FONT color="green">059</FONT>     */<a name="line.59"></a>
<FONT color="green">060</FONT>    public class SocketUDT {<a name="line.60"></a>
<FONT color="green">061</FONT>    <a name="line.61"></a>
<FONT color="green">062</FONT>            private static final Logger log = LoggerFactory.getLogger(SocketUDT.class);<a name="line.62"></a>
<FONT color="green">063</FONT>    <a name="line.63"></a>
<FONT color="green">064</FONT>            //<a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>            /**<a name="line.66"></a>
<FONT color="green">067</FONT>             * JNI Signature that must match between java code and c++ code on all<a name="line.67"></a>
<FONT color="green">068</FONT>             * platforms; failure to match will abort native library load<a name="line.68"></a>
<FONT color="green">069</FONT>             */<a name="line.69"></a>
<FONT color="green">070</FONT>            /*<a name="line.70"></a>
<FONT color="green">071</FONT>             * do not use automatic signature based on time stamp until all platforms<a name="line.71"></a>
<FONT color="green">072</FONT>             * are built at once by hudson<a name="line.72"></a>
<FONT color="green">073</FONT>             */<a name="line.73"></a>
<FONT color="green">074</FONT>            public static final int SIGNATURE_JNI = 20110501; // VersionUDT.BUILDTIME;<a name="line.74"></a>
<FONT color="green">075</FONT>    <a name="line.75"></a>
<FONT color="green">076</FONT>            /**<a name="line.76"></a>
<FONT color="green">077</FONT>             * infinite message time to live;<a name="line.77"></a>
<FONT color="green">078</FONT>             */<a name="line.78"></a>
<FONT color="green">079</FONT>            public static final int INFINITE_TTL = -1;<a name="line.79"></a>
<FONT color="green">080</FONT>    <a name="line.80"></a>
<FONT color="green">081</FONT>            /**<a name="line.81"></a>
<FONT color="green">082</FONT>             * blocking send/receive infinite call timeout;<a name="line.82"></a>
<FONT color="green">083</FONT>             */<a name="line.83"></a>
<FONT color="green">084</FONT>            public static final int INFINITE_TIMEOUT = -1;<a name="line.84"></a>
<FONT color="green">085</FONT>    <a name="line.85"></a>
<FONT color="green">086</FONT>            /**<a name="line.86"></a>
<FONT color="green">087</FONT>             * unlimited bandwidth option value;<a name="line.87"></a>
<FONT color="green">088</FONT>             */<a name="line.88"></a>
<FONT color="green">089</FONT>            public static final long UNLIMITED_BW = -1L;<a name="line.89"></a>
<FONT color="green">090</FONT>    <a name="line.90"></a>
<FONT color="green">091</FONT>            /**<a name="line.91"></a>
<FONT color="green">092</FONT>             * Maximum number of connections queued in listening mode by<a name="line.92"></a>
<FONT color="green">093</FONT>             * {@link #accept()}<a name="line.93"></a>
<FONT color="green">094</FONT>             */<a name="line.94"></a>
<FONT color="green">095</FONT>            public static final int DEFAULT_ACCEPT_QUEUE_SIZE = 256;<a name="line.95"></a>
<FONT color="green">096</FONT>    <a name="line.96"></a>
<FONT color="green">097</FONT>            /**<a name="line.97"></a>
<FONT color="green">098</FONT>             * Maximum number sockets that can participate in a<a name="line.98"></a>
<FONT color="green">099</FONT>             * {@link com.barchart.udt.nio.SelectorUDT#select()} operation<a name="line.99"></a>
<FONT color="green">100</FONT>             */<a name="line.100"></a>
<FONT color="green">101</FONT>            public static final int DEFAULT_MAX_SELECTOR_SIZE = 1024;<a name="line.101"></a>
<FONT color="green">102</FONT>    <a name="line.102"></a>
<FONT color="green">103</FONT>            /**<a name="line.103"></a>
<FONT color="green">104</FONT>             * Maximum number of threads. That can be doing<a name="line.104"></a>
<FONT color="green">105</FONT>             * {@link com.barchart.udt.nio.ChannelSocketUDT#connect(java.net.SocketAddress)}<a name="line.105"></a>
<FONT color="green">106</FONT>             * operation in non-blocking mode<a name="line.106"></a>
<FONT color="green">107</FONT>             */<a name="line.107"></a>
<FONT color="green">108</FONT>            public static final int DEFAULT_CONNECTOR_POOL_SIZE = 16;<a name="line.108"></a>
<FONT color="green">109</FONT>    <a name="line.109"></a>
<FONT color="green">110</FONT>            /**<a name="line.110"></a>
<FONT color="green">111</FONT>             * Minimum timeout of a {@link com.barchart.udt.nio.SelectorUDT#select()}<a name="line.111"></a>
<FONT color="green">112</FONT>             * operation. Since UDT :: common.cpp :: void CTimer::waitForEvent() :: is<a name="line.112"></a>
<FONT color="green">113</FONT>             * using 10 milliseconds resolution; (milliseconds);<a name="line.113"></a>
<FONT color="green">114</FONT>             */<a name="line.114"></a>
<FONT color="green">115</FONT>            public static final int DEFAULT_MIN_SELECTOR_TIMEOUT = 10;<a name="line.115"></a>
<FONT color="green">116</FONT>    <a name="line.116"></a>
<FONT color="green">117</FONT>            // native library extractor and loader<a name="line.117"></a>
<FONT color="green">118</FONT>    <a name="line.118"></a>
<FONT color="green">119</FONT>            /** native loader */<a name="line.119"></a>
<FONT color="green">120</FONT>            static {<a name="line.120"></a>
<FONT color="green">121</FONT>    <a name="line.121"></a>
<FONT color="green">122</FONT>                    try {<a name="line.122"></a>
<FONT color="green">123</FONT>    <a name="line.123"></a>
<FONT color="green">124</FONT>                            final String location = ResourceUDT.getLibraryExtractLocation();<a name="line.124"></a>
<FONT color="green">125</FONT>    <a name="line.125"></a>
<FONT color="green">126</FONT>                            final String loaderName = ResourceUDT.getLibraryLoaderClassName();<a name="line.126"></a>
<FONT color="green">127</FONT>    <a name="line.127"></a>
<FONT color="green">128</FONT>                            @SuppressWarnings("unchecked")<a name="line.128"></a>
<FONT color="green">129</FONT>                            final Class&lt;LibraryLoaderUDT&gt; loaderClass = (Class&lt;LibraryLoaderUDT&gt;) Class<a name="line.129"></a>
<FONT color="green">130</FONT>                                            .forName(loaderName);<a name="line.130"></a>
<FONT color="green">131</FONT>    <a name="line.131"></a>
<FONT color="green">132</FONT>                            final LibraryLoaderUDT loaderInstance = loaderClass.newInstance();<a name="line.132"></a>
<FONT color="green">133</FONT>    <a name="line.133"></a>
<FONT color="green">134</FONT>                            loaderInstance.load(location);<a name="line.134"></a>
<FONT color="green">135</FONT>    <a name="line.135"></a>
<FONT color="green">136</FONT>                    } catch (Throwable e) {<a name="line.136"></a>
<FONT color="green">137</FONT>                            log.error("failed to LOAD native library; terminating", e);<a name="line.137"></a>
<FONT color="green">138</FONT>                            System.exit(1);<a name="line.138"></a>
<FONT color="green">139</FONT>                    }<a name="line.139"></a>
<FONT color="green">140</FONT>    <a name="line.140"></a>
<FONT color="green">141</FONT>                    try {<a name="line.141"></a>
<FONT color="green">142</FONT>                            initClass0();<a name="line.142"></a>
<FONT color="green">143</FONT>                    } catch (Throwable e) {<a name="line.143"></a>
<FONT color="green">144</FONT>                            log.error("failed to INIT native library; terminating", e);<a name="line.144"></a>
<FONT color="green">145</FONT>                            System.exit(2);<a name="line.145"></a>
<FONT color="green">146</FONT>                    }<a name="line.146"></a>
<FONT color="green">147</FONT>    <a name="line.147"></a>
<FONT color="green">148</FONT>                    if (SIGNATURE_JNI != getSignatureJNI0()) {<a name="line.148"></a>
<FONT color="green">149</FONT>                            log.error("java/native SIGNATURE inconsistent; terminating");<a name="line.149"></a>
<FONT color="green">150</FONT>                            System.exit(3);<a name="line.150"></a>
<FONT color="green">151</FONT>                    }<a name="line.151"></a>
<FONT color="green">152</FONT>    <a name="line.152"></a>
<FONT color="green">153</FONT>                    log.debug("native library load &amp; init OK");<a name="line.153"></a>
<FONT color="green">154</FONT>    <a name="line.154"></a>
<FONT color="green">155</FONT>            }<a name="line.155"></a>
<FONT color="green">156</FONT>    <a name="line.156"></a>
<FONT color="green">157</FONT>            // ###################################################<a name="line.157"></a>
<FONT color="green">158</FONT>    <a name="line.158"></a>
<FONT color="green">159</FONT>            /**<a name="line.159"></a>
<FONT color="green">160</FONT>             * native descriptor; read by JNI; see udt.h "typedef int UDTSOCKET;"<a name="line.160"></a>
<FONT color="green">161</FONT>             */<a name="line.161"></a>
<FONT color="green">162</FONT>            protected final int socketID;<a name="line.162"></a>
<FONT color="green">163</FONT>    <a name="line.163"></a>
<FONT color="green">164</FONT>            public int getSocketId() {<a name="line.164"></a>
<FONT color="green">165</FONT>                    return socketID;<a name="line.165"></a>
<FONT color="green">166</FONT>            }<a name="line.166"></a>
<FONT color="green">167</FONT>    <a name="line.167"></a>
<FONT color="green">168</FONT>            /**<a name="line.168"></a>
<FONT color="green">169</FONT>             * native socket type; SOCK_DGRAM / SOCK_STREAM<a name="line.169"></a>
<FONT color="green">170</FONT>             */<a name="line.170"></a>
<FONT color="green">171</FONT>            protected final int socketType;<a name="line.171"></a>
<FONT color="green">172</FONT>    <a name="line.172"></a>
<FONT color="green">173</FONT>            /**<a name="line.173"></a>
<FONT color="green">174</FONT>             * native address family; read by JNI<a name="line.174"></a>
<FONT color="green">175</FONT>             */<a name="line.175"></a>
<FONT color="green">176</FONT>            // TODO add support for AF_INET6<a name="line.176"></a>
<FONT color="green">177</FONT>            protected final int socketAddressFamily;<a name="line.177"></a>
<FONT color="green">178</FONT>    <a name="line.178"></a>
<FONT color="green">179</FONT>            /**<a name="line.179"></a>
<FONT color="green">180</FONT>             * message/stream socket type; read by JNI<a name="line.180"></a>
<FONT color="green">181</FONT>             */<a name="line.181"></a>
<FONT color="green">182</FONT>            protected final TypeUDT type;<a name="line.182"></a>
<FONT color="green">183</FONT>    <a name="line.183"></a>
<FONT color="green">184</FONT>            public TypeUDT getType() {<a name="line.184"></a>
<FONT color="green">185</FONT>                    return type;<a name="line.185"></a>
<FONT color="green">186</FONT>            }<a name="line.186"></a>
<FONT color="green">187</FONT>    <a name="line.187"></a>
<FONT color="green">188</FONT>            /**<a name="line.188"></a>
<FONT color="green">189</FONT>             * performance monitor; updated by {@link #updateMonitor(boolean)} in JNI<a name="line.189"></a>
<FONT color="green">190</FONT>             * <a name="line.190"></a>
<FONT color="green">191</FONT>             * @see #updateMonitor(boolean)<a name="line.191"></a>
<FONT color="green">192</FONT>             */<a name="line.192"></a>
<FONT color="green">193</FONT>            protected final MonitorUDT monitor;<a name="line.193"></a>
<FONT color="green">194</FONT>    <a name="line.194"></a>
<FONT color="green">195</FONT>            public MonitorUDT getMonitor() {<a name="line.195"></a>
<FONT color="green">196</FONT>                    return monitor;<a name="line.196"></a>
<FONT color="green">197</FONT>            }<a name="line.197"></a>
<FONT color="green">198</FONT>    <a name="line.198"></a>
<FONT color="green">199</FONT>            /**<a name="line.199"></a>
<FONT color="green">200</FONT>             * message send mode parameters; used by JNI on each message send<a name="line.200"></a>
<FONT color="green">201</FONT>             */<a name="line.201"></a>
<FONT color="green">202</FONT>            protected volatile int messageTimeTolive;<a name="line.202"></a>
<FONT color="green">203</FONT>            protected volatile boolean messageIsOrdered;<a name="line.203"></a>
<FONT color="green">204</FONT>    <a name="line.204"></a>
<FONT color="green">205</FONT>            /**<a name="line.205"></a>
<FONT color="green">206</FONT>             * local end point; loaded by JNI by {@link #hasLoadedLocalSocketAddress()}<a name="line.206"></a>
<FONT color="green">207</FONT>             */<a name="line.207"></a>
<FONT color="green">208</FONT>            protected volatile InetSocketAddress localSocketAddress;<a name="line.208"></a>
<FONT color="green">209</FONT>    <a name="line.209"></a>
<FONT color="green">210</FONT>            /**<a name="line.210"></a>
<FONT color="green">211</FONT>             * remote end point; loaded by JNI by<a name="line.211"></a>
<FONT color="green">212</FONT>             * {@link #hasLoadedRemoteSocketAddress()}<a name="line.212"></a>
<FONT color="green">213</FONT>             */<a name="line.213"></a>
<FONT color="green">214</FONT>            protected volatile InetSocketAddress remoteSocketAddress;<a name="line.214"></a>
<FONT color="green">215</FONT>    <a name="line.215"></a>
<FONT color="green">216</FONT>            /**<a name="line.216"></a>
<FONT color="green">217</FONT>             * UDT::select() sizeArray/sizeBuffer index offset for READ interest<a name="line.217"></a>
<FONT color="green">218</FONT>             */<a name="line.218"></a>
<FONT color="green">219</FONT>            public static final int UDT_READ_INDEX = 0;<a name="line.219"></a>
<FONT color="green">220</FONT>            /**<a name="line.220"></a>
<FONT color="green">221</FONT>             * UDT::select() sizeArray/sizeBuffer index offset for WRITE interest<a name="line.221"></a>
<FONT color="green">222</FONT>             */<a name="line.222"></a>
<FONT color="green">223</FONT>            public static final int UDT_WRITE_INDEX = 1;<a name="line.223"></a>
<FONT color="green">224</FONT>            /**<a name="line.224"></a>
<FONT color="green">225</FONT>             * UDT::select() sizeArray/sizeBuffer index offset for EXCEPTION report<a name="line.225"></a>
<FONT color="green">226</FONT>             */<a name="line.226"></a>
<FONT color="green">227</FONT>            public static final int UDT_EXCEPT_INDEX = 2;<a name="line.227"></a>
<FONT color="green">228</FONT>            /**<a name="line.228"></a>
<FONT color="green">229</FONT>             * UDT::select() sizeArray/sizeBuffer size count or number of arrays/buffers<a name="line.229"></a>
<FONT color="green">230</FONT>             */<a name="line.230"></a>
<FONT color="green">231</FONT>            public static final int UDT_SIZE_COUNT = 3;<a name="line.231"></a>
<FONT color="green">232</FONT>    <a name="line.232"></a>
<FONT color="green">233</FONT>            /**<a name="line.233"></a>
<FONT color="green">234</FONT>             * UDT::selectEx() result status<a name="line.234"></a>
<FONT color="green">235</FONT>             */<a name="line.235"></a>
<FONT color="green">236</FONT>            protected boolean isSelectedRead;<a name="line.236"></a>
<FONT color="green">237</FONT>            protected boolean isSelectedWrite;<a name="line.237"></a>
<FONT color="green">238</FONT>            protected boolean isSelectedException;<a name="line.238"></a>
<FONT color="green">239</FONT>    <a name="line.239"></a>
<FONT color="green">240</FONT>            // ###################################################<a name="line.240"></a>
<FONT color="green">241</FONT>            // ### UDT API<a name="line.241"></a>
<FONT color="green">242</FONT>            // ###<a name="line.242"></a>
<FONT color="green">243</FONT>    <a name="line.243"></a>
<FONT color="green">244</FONT>            /**<a name="line.244"></a>
<FONT color="green">245</FONT>             * Verify that java code and c++ code builds are consistent.<a name="line.245"></a>
<FONT color="green">246</FONT>             * <a name="line.246"></a>
<FONT color="green">247</FONT>             * @see #SIGNATURE_JNI<a name="line.247"></a>
<FONT color="green">248</FONT>             */<a name="line.248"></a>
<FONT color="green">249</FONT>            protected static native int getSignatureJNI0();<a name="line.249"></a>
<FONT color="green">250</FONT>    <a name="line.250"></a>
<FONT color="green">251</FONT>            /**<a name="line.251"></a>
<FONT color="green">252</FONT>             * Call this after loading native library.<a name="line.252"></a>
<FONT color="green">253</FONT>             * <a name="line.253"></a>
<FONT color="green">254</FONT>             * @see &lt;a<a name="line.254"></a>
<FONT color="green">255</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/startup.htm"&gt;UDT::startup()&lt;/a&gt;<a name="line.255"></a>
<FONT color="green">256</FONT>             */<a name="line.256"></a>
<FONT color="green">257</FONT>            protected static native void initClass0() throws ExceptionUDT;<a name="line.257"></a>
<FONT color="green">258</FONT>    <a name="line.258"></a>
<FONT color="green">259</FONT>            /**<a name="line.259"></a>
<FONT color="green">260</FONT>             * Call this before unloading native library.<a name="line.260"></a>
<FONT color="green">261</FONT>             * <a name="line.261"></a>
<FONT color="green">262</FONT>             * @see &lt;a<a name="line.262"></a>
<FONT color="green">263</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/cleanup.htm.htm"&gt;UDT::cleanup()&lt;/a&gt;<a name="line.263"></a>
<FONT color="green">264</FONT>             */<a name="line.264"></a>
<FONT color="green">265</FONT>            protected static native void stopClass0() throws ExceptionUDT;<a name="line.265"></a>
<FONT color="green">266</FONT>    <a name="line.266"></a>
<FONT color="green">267</FONT>            /**<a name="line.267"></a>
<FONT color="green">268</FONT>             * used by default constructor<a name="line.268"></a>
<FONT color="green">269</FONT>             */<a name="line.269"></a>
<FONT color="green">270</FONT>            protected native int initInstance0(int typeCode) throws ExceptionUDT;<a name="line.270"></a>
<FONT color="green">271</FONT>    <a name="line.271"></a>
<FONT color="green">272</FONT>            /**<a name="line.272"></a>
<FONT color="green">273</FONT>             * used by accept() internally<a name="line.273"></a>
<FONT color="green">274</FONT>             */<a name="line.274"></a>
<FONT color="green">275</FONT>            protected native int initInstance1(int socketUDT) throws ExceptionUDT;<a name="line.275"></a>
<FONT color="green">276</FONT>    <a name="line.276"></a>
<FONT color="green">277</FONT>            /**<a name="line.277"></a>
<FONT color="green">278</FONT>             * @see &lt;a<a name="line.278"></a>
<FONT color="green">279</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/accept.htm"&gt;UDT::accept()&lt;/a&gt;<a name="line.279"></a>
<FONT color="green">280</FONT>             */<a name="line.280"></a>
<FONT color="green">281</FONT>            protected native SocketUDT accept0() throws ExceptionUDT;<a name="line.281"></a>
<FONT color="green">282</FONT>    <a name="line.282"></a>
<FONT color="green">283</FONT>            /**<a name="line.283"></a>
<FONT color="green">284</FONT>             * @return null : no incoming connections (non-blocking mode only)&lt;br&gt;<a name="line.284"></a>
<FONT color="green">285</FONT>             *         non null : newly accepted SocketUDT (both blocking and<a name="line.285"></a>
<FONT color="green">286</FONT>             *         non-blocking)&lt;br&gt;<a name="line.286"></a>
<FONT color="green">287</FONT>             */<a name="line.287"></a>
<FONT color="green">288</FONT>            public SocketUDT accept() throws ExceptionUDT {<a name="line.288"></a>
<FONT color="green">289</FONT>                    return accept0();<a name="line.289"></a>
<FONT color="green">290</FONT>            }<a name="line.290"></a>
<FONT color="green">291</FONT>    <a name="line.291"></a>
<FONT color="green">292</FONT>            protected void checkSocketAddress(final InetSocketAddress socketAddress) {<a name="line.292"></a>
<FONT color="green">293</FONT>                    if (socketAddress == null) {<a name="line.293"></a>
<FONT color="green">294</FONT>                            throw new IllegalArgumentException("socketAddress can't be null");<a name="line.294"></a>
<FONT color="green">295</FONT>                    }<a name="line.295"></a>
<FONT color="green">296</FONT>                    if (socketAddress.isUnresolved()) {<a name="line.296"></a>
<FONT color="green">297</FONT>                            // can not use; internal InetAddress field is null<a name="line.297"></a>
<FONT color="green">298</FONT>                            throw new IllegalArgumentException("socketAddress is unresolved : "<a name="line.298"></a>
<FONT color="green">299</FONT>                                            + socketAddress + " : check your DNS settings");<a name="line.299"></a>
<FONT color="green">300</FONT>                    }<a name="line.300"></a>
<FONT color="green">301</FONT>            }<a name="line.301"></a>
<FONT color="green">302</FONT>    <a name="line.302"></a>
<FONT color="green">303</FONT>            /**<a name="line.303"></a>
<FONT color="green">304</FONT>             * @see &lt;a href="http://www.cs.uic.edu/~ygu1/doc/bind.htm"&gt;UDT::bind()&lt;/a&gt;<a name="line.304"></a>
<FONT color="green">305</FONT>             */<a name="line.305"></a>
<FONT color="green">306</FONT>            protected native void bind0(final InetSocketAddress localSocketAddress)<a name="line.306"></a>
<FONT color="green">307</FONT>                            throws ExceptionUDT;<a name="line.307"></a>
<FONT color="green">308</FONT>    <a name="line.308"></a>
<FONT color="green">309</FONT>            public void bind(final InetSocketAddress localSocketAddress) //<a name="line.309"></a>
<FONT color="green">310</FONT>                            throws ExceptionUDT, IllegalArgumentException {<a name="line.310"></a>
<FONT color="green">311</FONT>                    checkSocketAddress(localSocketAddress);<a name="line.311"></a>
<FONT color="green">312</FONT>                    bind0(localSocketAddress);<a name="line.312"></a>
<FONT color="green">313</FONT>            }<a name="line.313"></a>
<FONT color="green">314</FONT>    <a name="line.314"></a>
<FONT color="green">315</FONT>            /**<a name="line.315"></a>
<FONT color="green">316</FONT>             * @see &lt;a href="http://www.cs.uic.edu/~ygu1/doc/close.htm"&gt;UDT::close()&lt;/a&gt;<a name="line.316"></a>
<FONT color="green">317</FONT>             */<a name="line.317"></a>
<FONT color="green">318</FONT>            protected native void close0() throws ExceptionUDT;<a name="line.318"></a>
<FONT color="green">319</FONT>    <a name="line.319"></a>
<FONT color="green">320</FONT>            /**<a name="line.320"></a>
<FONT color="green">321</FONT>             * @see #close0()<a name="line.321"></a>
<FONT color="green">322</FONT>             */<a name="line.322"></a>
<FONT color="green">323</FONT>            public void close() throws ExceptionUDT {<a name="line.323"></a>
<FONT color="green">324</FONT>                    synchronized (SocketUDT.class) {<a name="line.324"></a>
<FONT color="green">325</FONT>                            if (isOpen()) {<a name="line.325"></a>
<FONT color="green">326</FONT>                                    close0();<a name="line.326"></a>
<FONT color="green">327</FONT>                                    log.debug("closed socketID={}", socketID);<a name="line.327"></a>
<FONT color="green">328</FONT>                            }<a name="line.328"></a>
<FONT color="green">329</FONT>                    }<a name="line.329"></a>
<FONT color="green">330</FONT>            }<a name="line.330"></a>
<FONT color="green">331</FONT>    <a name="line.331"></a>
<FONT color="green">332</FONT>            // NOTE: catch all exceptions; else prevents GC<a name="line.332"></a>
<FONT color="green">333</FONT>            // NOTE: do not leak "this" references; else prevents GC<a name="line.333"></a>
<FONT color="green">334</FONT>            @Override<a name="line.334"></a>
<FONT color="green">335</FONT>            protected void finalize() {<a name="line.335"></a>
<FONT color="green">336</FONT>                    try {<a name="line.336"></a>
<FONT color="green">337</FONT>                            close();<a name="line.337"></a>
<FONT color="green">338</FONT>                            super.finalize();<a name="line.338"></a>
<FONT color="green">339</FONT>                    } catch (Throwable e) {<a name="line.339"></a>
<FONT color="green">340</FONT>                            log.error("failed to close", e);<a name="line.340"></a>
<FONT color="green">341</FONT>                    }<a name="line.341"></a>
<FONT color="green">342</FONT>            }<a name="line.342"></a>
<FONT color="green">343</FONT>    <a name="line.343"></a>
<FONT color="green">344</FONT>            /**<a name="line.344"></a>
<FONT color="green">345</FONT>             * @see &lt;a http://www.cs.uic.edu/~ygu1/doc/connect.htm"&gt;UDT::connect()&lt;/a&gt;<a name="line.345"></a>
<FONT color="green">346</FONT>             */<a name="line.346"></a>
<FONT color="green">347</FONT>            protected native void connect0(final InetSocketAddress remoteSocketAddress)<a name="line.347"></a>
<FONT color="green">348</FONT>                            throws ExceptionUDT;<a name="line.348"></a>
<FONT color="green">349</FONT>    <a name="line.349"></a>
<FONT color="green">350</FONT>            /**<a name="line.350"></a>
<FONT color="green">351</FONT>             * Note: this is always a blocking call.<a name="line.351"></a>
<FONT color="green">352</FONT>             * <a name="line.352"></a>
<FONT color="green">353</FONT>             * @see #connect0(InetSocketAddress)<a name="line.353"></a>
<FONT color="green">354</FONT>             */<a name="line.354"></a>
<FONT color="green">355</FONT>            public void connect(final InetSocketAddress remoteSocketAddress) //<a name="line.355"></a>
<FONT color="green">356</FONT>                            throws ExceptionUDT, IllegalArgumentException {<a name="line.356"></a>
<FONT color="green">357</FONT>                    checkSocketAddress(remoteSocketAddress);<a name="line.357"></a>
<FONT color="green">358</FONT>                    connect0(remoteSocketAddress);<a name="line.358"></a>
<FONT color="green">359</FONT>            }<a name="line.359"></a>
<FONT color="green">360</FONT>    <a name="line.360"></a>
<FONT color="green">361</FONT>            /**<a name="line.361"></a>
<FONT color="green">362</FONT>             * Load {@link #remoteSocketAddress} value.<a name="line.362"></a>
<FONT color="green">363</FONT>             * <a name="line.363"></a>
<FONT color="green">364</FONT>             * @see &lt;a<a name="line.364"></a>
<FONT color="green">365</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/peername.htm"&gt;UDT::peername()&lt;/a&gt;<a name="line.365"></a>
<FONT color="green">366</FONT>             */<a name="line.366"></a>
<FONT color="green">367</FONT>            protected native boolean hasLoadedRemoteSocketAddress();<a name="line.367"></a>
<FONT color="green">368</FONT>    <a name="line.368"></a>
<FONT color="green">369</FONT>            /**<a name="line.369"></a>
<FONT color="green">370</FONT>             * @return null : not connected; &lt;br&gt;<a name="line.370"></a>
<FONT color="green">371</FONT>             *         not null: remote UDT peer socket address to which this socket is<a name="line.371"></a>
<FONT color="green">372</FONT>             *         connected &lt;br&gt;<a name="line.372"></a>
<FONT color="green">373</FONT>             * @see #hasLoadedRemoteSocketAddress()<a name="line.373"></a>
<FONT color="green">374</FONT>             */<a name="line.374"></a>
<FONT color="green">375</FONT>            public InetSocketAddress getRemoteSocketAddress() throws ExceptionUDT {<a name="line.375"></a>
<FONT color="green">376</FONT>                    if (hasLoadedRemoteSocketAddress()) {<a name="line.376"></a>
<FONT color="green">377</FONT>                            return remoteSocketAddress;<a name="line.377"></a>
<FONT color="green">378</FONT>                    } else {<a name="line.378"></a>
<FONT color="green">379</FONT>                            return null;<a name="line.379"></a>
<FONT color="green">380</FONT>                    }<a name="line.380"></a>
<FONT color="green">381</FONT>            }<a name="line.381"></a>
<FONT color="green">382</FONT>    <a name="line.382"></a>
<FONT color="green">383</FONT>            /**<a name="line.383"></a>
<FONT color="green">384</FONT>             * Load {@link #localSocketAddress} value.<a name="line.384"></a>
<FONT color="green">385</FONT>             * <a name="line.385"></a>
<FONT color="green">386</FONT>             * @see &lt;a<a name="line.386"></a>
<FONT color="green">387</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/sockname.htm"&gt;UDT::sockname()&lt;/a&gt;<a name="line.387"></a>
<FONT color="green">388</FONT>             */<a name="line.388"></a>
<FONT color="green">389</FONT>            protected native boolean hasLoadedLocalSocketAddress();<a name="line.389"></a>
<FONT color="green">390</FONT>    <a name="line.390"></a>
<FONT color="green">391</FONT>            /**<a name="line.391"></a>
<FONT color="green">392</FONT>             * @return null: not bound; &lt;br&gt;<a name="line.392"></a>
<FONT color="green">393</FONT>             *         not null: local UDT socket address to which the the socket is<a name="line.393"></a>
<FONT color="green">394</FONT>             *         bound&lt;br&gt;<a name="line.394"></a>
<FONT color="green">395</FONT>             * @see #hasLoadedLocalSocketAddress()<a name="line.395"></a>
<FONT color="green">396</FONT>             */<a name="line.396"></a>
<FONT color="green">397</FONT>            public InetSocketAddress getLocalSocketAddress() throws ExceptionUDT {<a name="line.397"></a>
<FONT color="green">398</FONT>                    if (hasLoadedLocalSocketAddress()) {<a name="line.398"></a>
<FONT color="green">399</FONT>                            return localSocketAddress;<a name="line.399"></a>
<FONT color="green">400</FONT>                    } else {<a name="line.400"></a>
<FONT color="green">401</FONT>                            return null;<a name="line.401"></a>
<FONT color="green">402</FONT>                    }<a name="line.402"></a>
<FONT color="green">403</FONT>            }<a name="line.403"></a>
<FONT color="green">404</FONT>    <a name="line.404"></a>
<FONT color="green">405</FONT>            /**<a name="line.405"></a>
<FONT color="green">406</FONT>             * @see &lt;a<a name="line.406"></a>
<FONT color="green">407</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/opt.htm"&gt;UDT::getsockopt()&lt;/a&gt;<a name="line.407"></a>
<FONT color="green">408</FONT>             */<a name="line.408"></a>
<FONT color="green">409</FONT>            protected native Object getOption0(final int code, final Class&lt;?&gt; klaz)<a name="line.409"></a>
<FONT color="green">410</FONT>                            throws ExceptionUDT;<a name="line.410"></a>
<FONT color="green">411</FONT>    <a name="line.411"></a>
<FONT color="green">412</FONT>            /**<a name="line.412"></a>
<FONT color="green">413</FONT>             * @see #getOption0(int, Class)<a name="line.413"></a>
<FONT color="green">414</FONT>             */<a name="line.414"></a>
<FONT color="green">415</FONT>            public Object getOption(final OptionUDT option) throws ExceptionUDT {<a name="line.415"></a>
<FONT color="green">416</FONT>                    if (option == null) {<a name="line.416"></a>
<FONT color="green">417</FONT>                            throw new IllegalArgumentException("option == null");<a name="line.417"></a>
<FONT color="green">418</FONT>                    }<a name="line.418"></a>
<FONT color="green">419</FONT>                    return getOption0(option.getCode(), option.getKlaz());<a name="line.419"></a>
<FONT color="green">420</FONT>            }<a name="line.420"></a>
<FONT color="green">421</FONT>    <a name="line.421"></a>
<FONT color="green">422</FONT>            /**<a name="line.422"></a>
<FONT color="green">423</FONT>             * @see &lt;a<a name="line.423"></a>
<FONT color="green">424</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/opt.htm"&gt;UDT::setsockopt()&lt;/a&gt;<a name="line.424"></a>
<FONT color="green">425</FONT>             */<a name="line.425"></a>
<FONT color="green">426</FONT>            protected native void setOption0(final int code, final Class&lt;?&gt; klaz,<a name="line.426"></a>
<FONT color="green">427</FONT>                            final Object value) throws ExceptionUDT;<a name="line.427"></a>
<FONT color="green">428</FONT>    <a name="line.428"></a>
<FONT color="green">429</FONT>            /**<a name="line.429"></a>
<FONT color="green">430</FONT>             * @see #setOption0(int, Class, Object)<a name="line.430"></a>
<FONT color="green">431</FONT>             */<a name="line.431"></a>
<FONT color="green">432</FONT>            public void setOption(final OptionUDT option, final Object value)<a name="line.432"></a>
<FONT color="green">433</FONT>                            throws ExceptionUDT {<a name="line.433"></a>
<FONT color="green">434</FONT>                    if (option == null || value == null) {<a name="line.434"></a>
<FONT color="green">435</FONT>                            throw new IllegalArgumentException(<a name="line.435"></a>
<FONT color="green">436</FONT>                                            "option == null || value == null");<a name="line.436"></a>
<FONT color="green">437</FONT>                    }<a name="line.437"></a>
<FONT color="green">438</FONT>                    if (value.getClass() == option.getKlaz()) {<a name="line.438"></a>
<FONT color="green">439</FONT>                            setOption0(option.getCode(), option.getKlaz(), value);<a name="line.439"></a>
<FONT color="green">440</FONT>                    } else {<a name="line.440"></a>
<FONT color="green">441</FONT>                            throw new ExceptionUDT(socketID, ErrorUDT.WRAPPER_MESSAGE,<a name="line.441"></a>
<FONT color="green">442</FONT>                                            "option and value types do not match: "<a name="line.442"></a>
<FONT color="green">443</FONT>                                                            + option.getKlaz().getName() + " vs "<a name="line.443"></a>
<FONT color="green">444</FONT>                                                            + value.getClass().getName());<a name="line.444"></a>
<FONT color="green">445</FONT>                    }<a name="line.445"></a>
<FONT color="green">446</FONT>            }<a name="line.446"></a>
<FONT color="green">447</FONT>    <a name="line.447"></a>
<FONT color="green">448</FONT>            /**<a name="line.448"></a>
<FONT color="green">449</FONT>             * @see &lt;a<a name="line.449"></a>
<FONT color="green">450</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/listen.htm"&gt;UDT::listen()&lt;/a&gt;<a name="line.450"></a>
<FONT color="green">451</FONT>             */<a name="line.451"></a>
<FONT color="green">452</FONT>            protected native void listen0(final int queueSize) throws ExceptionUDT;<a name="line.452"></a>
<FONT color="green">453</FONT>    <a name="line.453"></a>
<FONT color="green">454</FONT>            /**<a name="line.454"></a>
<FONT color="green">455</FONT>             * java copy of underlying native accept queue size parameter<a name="line.455"></a>
<FONT color="green">456</FONT>             * <a name="line.456"></a>
<FONT color="green">457</FONT>             * @see #listen(int)<a name="line.457"></a>
<FONT color="green">458</FONT>             * @see #accept()<a name="line.458"></a>
<FONT color="green">459</FONT>             */<a name="line.459"></a>
<FONT color="green">460</FONT>            protected volatile int listenQueueSize;<a name="line.460"></a>
<FONT color="green">461</FONT>    <a name="line.461"></a>
<FONT color="green">462</FONT>            private final static int JAVA_INT_SIZE_IN_BYTES = 4;<a name="line.462"></a>
<FONT color="green">463</FONT>    <a name="line.463"></a>
<FONT color="green">464</FONT>            /**<a name="line.464"></a>
<FONT color="green">465</FONT>             * @param queueSize<a name="line.465"></a>
<FONT color="green">466</FONT>             *            maximum number of queued clients<a name="line.466"></a>
<FONT color="green">467</FONT>             * <a name="line.467"></a>
<FONT color="green">468</FONT>             * @see #listen0(int)<a name="line.468"></a>
<FONT color="green">469</FONT>             */<a name="line.469"></a>
<FONT color="green">470</FONT>            public void listen(final int queueSize) throws ExceptionUDT {<a name="line.470"></a>
<FONT color="green">471</FONT>                    if (queueSize &lt;= 0) {<a name="line.471"></a>
<FONT color="green">472</FONT>                            throw new IllegalArgumentException("queueSize &lt;= 0");<a name="line.472"></a>
<FONT color="green">473</FONT>                    }<a name="line.473"></a>
<FONT color="green">474</FONT>                    // publisher for volatile<a name="line.474"></a>
<FONT color="green">475</FONT>                    listenQueueSize = queueSize;<a name="line.475"></a>
<FONT color="green">476</FONT>                    listen0(queueSize);<a name="line.476"></a>
<FONT color="green">477</FONT>            }<a name="line.477"></a>
<FONT color="green">478</FONT>    <a name="line.478"></a>
<FONT color="green">479</FONT>            /**<a name="line.479"></a>
<FONT color="green">480</FONT>             * @see #listen(int)<a name="line.480"></a>
<FONT color="green">481</FONT>             */<a name="line.481"></a>
<FONT color="green">482</FONT>            public int getListenQueueSize() {<a name="line.482"></a>
<FONT color="green">483</FONT>                    return listenQueueSize;<a name="line.483"></a>
<FONT color="green">484</FONT>            }<a name="line.484"></a>
<FONT color="green">485</FONT>    <a name="line.485"></a>
<FONT color="green">486</FONT>            /**<a name="line.486"></a>
<FONT color="green">487</FONT>             * receive into a complete byte array<a name="line.487"></a>
<FONT color="green">488</FONT>             * <a name="line.488"></a>
<FONT color="green">489</FONT>             * @see &lt;a href="http://www.cs.uic.edu/~ygu1/doc/recv.htm"&gt;UDT::recv()&lt;/a&gt;<a name="line.489"></a>
<FONT color="green">490</FONT>             * @see &lt;a<a name="line.490"></a>
<FONT color="green">491</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/recv.htm"&gt;UDT::recvmsg()&lt;/a&gt;<a name="line.491"></a>
<FONT color="green">492</FONT>             */<a name="line.492"></a>
<FONT color="green">493</FONT>            protected native int receive0(final int socketID, final int socketType, //<a name="line.493"></a>
<FONT color="green">494</FONT>                            final byte[] array) throws ExceptionUDT;<a name="line.494"></a>
<FONT color="green">495</FONT>    <a name="line.495"></a>
<FONT color="green">496</FONT>            /**<a name="line.496"></a>
<FONT color="green">497</FONT>             * receive into a portion of a byte array<a name="line.497"></a>
<FONT color="green">498</FONT>             * <a name="line.498"></a>
<FONT color="green">499</FONT>             * @see &lt;a href="http://www.cs.uic.edu/~ygu1/doc/recv.htm"&gt;UDT::recv()&lt;/a&gt;<a name="line.499"></a>
<FONT color="green">500</FONT>             * @see &lt;a<a name="line.500"></a>
<FONT color="green">501</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/recv.htm"&gt;UDT::recvmsg()&lt;/a&gt;<a name="line.501"></a>
<FONT color="green">502</FONT>             */<a name="line.502"></a>
<FONT color="green">503</FONT>            protected native int receive1(final int socketID, final int socketType, //<a name="line.503"></a>
<FONT color="green">504</FONT>                            final byte[] array, final int position, final int limit)<a name="line.504"></a>
<FONT color="green">505</FONT>                            throws ExceptionUDT;<a name="line.505"></a>
<FONT color="green">506</FONT>    <a name="line.506"></a>
<FONT color="green">507</FONT>            /**<a name="line.507"></a>
<FONT color="green">508</FONT>             * receive into a {@link java.nio.channels.DirectByteBuffer}<a name="line.508"></a>
<FONT color="green">509</FONT>             * <a name="line.509"></a>
<FONT color="green">510</FONT>             * @see &lt;a href="http://www.cs.uic.edu/~ygu1/doc/recv.htm"&gt;UDT::recv()&lt;/a&gt;<a name="line.510"></a>
<FONT color="green">511</FONT>             * @see &lt;a<a name="line.511"></a>
<FONT color="green">512</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/recv.htm"&gt;UDT::recvmsg()&lt;/a&gt;<a name="line.512"></a>
<FONT color="green">513</FONT>             */<a name="line.513"></a>
<FONT color="green">514</FONT>            protected native int receive2(final int socketID, final int socketType, //<a name="line.514"></a>
<FONT color="green">515</FONT>                            final ByteBuffer buffer, final int position, final int limit)<a name="line.515"></a>
<FONT color="green">516</FONT>                            throws ExceptionUDT;<a name="line.516"></a>
<FONT color="green">517</FONT>    <a name="line.517"></a>
<FONT color="green">518</FONT>            /**<a name="line.518"></a>
<FONT color="green">519</FONT>             * receive into byte[] array upto &lt;code&gt;array.length&lt;/code&gt; bytes<a name="line.519"></a>
<FONT color="green">520</FONT>             * <a name="line.520"></a>
<FONT color="green">521</FONT>             * @return &lt;code&gt;-1&lt;/code&gt; : nothing received (non-blocking only)&lt;br&gt;<a name="line.521"></a>
<FONT color="green">522</FONT>             *         &lt;code&gt;=0&lt;/code&gt; : timeout expired (blocking only)&lt;br&gt;<a name="line.522"></a>
<FONT color="green">523</FONT>             *         &lt;code&gt;&gt;0&lt;/code&gt; : normal receive, byte count&lt;br&gt;<a name="line.523"></a>
<FONT color="green">524</FONT>             * @see #receive0(int, int, byte[])<a name="line.524"></a>
<FONT color="green">525</FONT>             */<a name="line.525"></a>
<FONT color="green">526</FONT>            public final int receive(final byte[] array) throws ExceptionUDT {<a name="line.526"></a>
<FONT color="green">527</FONT>                    checkArray(array);<a name="line.527"></a>
<FONT color="green">528</FONT>                    return receive0(socketID, socketType, array);<a name="line.528"></a>
<FONT color="green">529</FONT>            }<a name="line.529"></a>
<FONT color="green">530</FONT>    <a name="line.530"></a>
<FONT color="green">531</FONT>            /**<a name="line.531"></a>
<FONT color="green">532</FONT>             * receive into byte[] array upto &lt;code&gt;size=limit-position&lt;/code&gt; bytes<a name="line.532"></a>
<FONT color="green">533</FONT>             * <a name="line.533"></a>
<FONT color="green">534</FONT>             * @return &lt;code&gt;-1&lt;/code&gt; : nothing received (non-blocking only)&lt;br&gt;<a name="line.534"></a>
<FONT color="green">535</FONT>             *         &lt;code&gt;=0&lt;/code&gt; : timeout expired (blocking only)&lt;br&gt;<a name="line.535"></a>
<FONT color="green">536</FONT>             *         &lt;code&gt;&gt;0&lt;/code&gt; : normal receive, byte count&lt;br&gt;<a name="line.536"></a>
<FONT color="green">537</FONT>             * @see #receive1(int, int, byte[], int, int)<a name="line.537"></a>
<FONT color="green">538</FONT>             */<a name="line.538"></a>
<FONT color="green">539</FONT>            public final int receive(final byte[] array, final int position,<a name="line.539"></a>
<FONT color="green">540</FONT>                            final int limit) throws ExceptionUDT {<a name="line.540"></a>
<FONT color="green">541</FONT>                    checkArray(array);<a name="line.541"></a>
<FONT color="green">542</FONT>                    return receive1(socketID, socketType, array, position, limit);<a name="line.542"></a>
<FONT color="green">543</FONT>            }<a name="line.543"></a>
<FONT color="green">544</FONT>    <a name="line.544"></a>
<FONT color="green">545</FONT>            /**<a name="line.545"></a>
<FONT color="green">546</FONT>             * receive into {@link java.nio.channels.DirectByteBuffer}; upto<a name="line.546"></a>
<FONT color="green">547</FONT>             * {@link java.nio.ByteBuffer#remaining()} bytes<a name="line.547"></a>
<FONT color="green">548</FONT>             * <a name="line.548"></a>
<FONT color="green">549</FONT>             * @return &lt;code&gt;-1&lt;/code&gt; : nothing received (non-blocking only)&lt;br&gt;<a name="line.549"></a>
<FONT color="green">550</FONT>             *         &lt;code&gt;=0&lt;/code&gt; : timeout expired (blocking only)&lt;br&gt;<a name="line.550"></a>
<FONT color="green">551</FONT>             *         &lt;code&gt;&gt;0&lt;/code&gt; : normal receive, byte count&lt;br&gt;<a name="line.551"></a>
<FONT color="green">552</FONT>             * @see #receive2(int, int, ByteBuffer, int, int)<a name="line.552"></a>
<FONT color="green">553</FONT>             */<a name="line.553"></a>
<FONT color="green">554</FONT>            public final int receive(final ByteBuffer buffer) throws ExceptionUDT {<a name="line.554"></a>
<FONT color="green">555</FONT>                    checkBuffer(buffer);<a name="line.555"></a>
<FONT color="green">556</FONT>                    final int position = buffer.position();<a name="line.556"></a>
<FONT color="green">557</FONT>                    final int limit = buffer.limit();<a name="line.557"></a>
<FONT color="green">558</FONT>                    final int remaining = buffer.remaining();<a name="line.558"></a>
<FONT color="green">559</FONT>                    final int sizeReceived = receive2(socketID, socketType, //<a name="line.559"></a>
<FONT color="green">560</FONT>                                    buffer, position, limit);<a name="line.560"></a>
<FONT color="green">561</FONT>                    if (sizeReceived &lt;= 0) {<a name="line.561"></a>
<FONT color="green">562</FONT>                            return sizeReceived;<a name="line.562"></a>
<FONT color="green">563</FONT>                    }<a name="line.563"></a>
<FONT color="green">564</FONT>                    if (sizeReceived &lt;= remaining) {<a name="line.564"></a>
<FONT color="green">565</FONT>                            buffer.position(position + sizeReceived);<a name="line.565"></a>
<FONT color="green">566</FONT>                            return sizeReceived;<a name="line.566"></a>
<FONT color="green">567</FONT>                    } else { // should not happen<a name="line.567"></a>
<FONT color="green">568</FONT>                            log.error("sizeReceived &gt; remaining");<a name="line.568"></a>
<FONT color="green">569</FONT>                            return 0;<a name="line.569"></a>
<FONT color="green">570</FONT>                    }<a name="line.570"></a>
<FONT color="green">571</FONT>            }<a name="line.571"></a>
<FONT color="green">572</FONT>    <a name="line.572"></a>
<FONT color="green">573</FONT>            /**<a name="line.573"></a>
<FONT color="green">574</FONT>             * WRAPPER_UNIMPLEMENTED<a name="line.574"></a>
<FONT color="green">575</FONT>             * <a name="line.575"></a>
<FONT color="green">576</FONT>             * @see &lt;a<a name="line.576"></a>
<FONT color="green">577</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/recvfile.htm"&gt;UDT::recvfile()&lt;/a&gt;<a name="line.577"></a>
<FONT color="green">578</FONT>             */<a name="line.578"></a>
<FONT color="green">579</FONT>            public final int receiveFile(final ByteBuffer buffer) throws ExceptionUDT {<a name="line.579"></a>
<FONT color="green">580</FONT>                    throw new ExceptionUDT(//<a name="line.580"></a>
<FONT color="green">581</FONT>                                    socketID, ErrorUDT.WRAPPER_UNIMPLEMENTED, "receiveFile");<a name="line.581"></a>
<FONT color="green">582</FONT>            }<a name="line.582"></a>
<FONT color="green">583</FONT>    <a name="line.583"></a>
<FONT color="green">584</FONT>            /**<a name="line.584"></a>
<FONT color="green">585</FONT>             * @see com.barchart.udt.nio.SelectorUDT#select()<a name="line.585"></a>
<FONT color="green">586</FONT>             * @see &lt;a<a name="line.586"></a>
<FONT color="green">587</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/select.htm"&gt;UDT::select()&lt;/a&gt;<a name="line.587"></a>
<FONT color="green">588</FONT>             */<a name="line.588"></a>
<FONT color="green">589</FONT>            protected static native int select0( //<a name="line.589"></a>
<FONT color="green">590</FONT>                            final int[] readArray, //<a name="line.590"></a>
<FONT color="green">591</FONT>                            final int[] writeArray, //<a name="line.591"></a>
<FONT color="green">592</FONT>                            final int[] exceptArray, //<a name="line.592"></a>
<FONT color="green">593</FONT>                            final int[] sizeArray, //<a name="line.593"></a>
<FONT color="green">594</FONT>                            final long millisTimeout //<a name="line.594"></a>
<FONT color="green">595</FONT>            ) throws ExceptionUDT;<a name="line.595"></a>
<FONT color="green">596</FONT>    <a name="line.596"></a>
<FONT color="green">597</FONT>            /**<a name="line.597"></a>
<FONT color="green">598</FONT>             * Basic access to UDT socket readiness selection feature. Based on int[]<a name="line.598"></a>
<FONT color="green">599</FONT>             * array info exchange. Timeout is in milliseconds.<a name="line.599"></a>
<FONT color="green">600</FONT>             * <a name="line.600"></a>
<FONT color="green">601</FONT>             * @return &lt;code&gt;&lt;0&lt;/code&gt; : should not happen&lt;br&gt;<a name="line.601"></a>
<FONT color="green">602</FONT>             *         &lt;code&gt;=0&lt;/code&gt; : timeout, no ready sockets&lt;br&gt;<a name="line.602"></a>
<FONT color="green">603</FONT>             *         &lt;code&gt;&gt;0&lt;/code&gt; : total number or reads, writes, exceptions&lt;br&gt;<a name="line.603"></a>
<FONT color="green">604</FONT>             * @see #select0(int[], int[], int[], int[], long)<a name="line.604"></a>
<FONT color="green">605</FONT>             */<a name="line.605"></a>
<FONT color="green">606</FONT>            // asserts are contracts<a name="line.606"></a>
<FONT color="green">607</FONT>            public final static int select( //<a name="line.607"></a>
<FONT color="green">608</FONT>                            final int[] readArray, //<a name="line.608"></a>
<FONT color="green">609</FONT>                            final int[] writeArray, //<a name="line.609"></a>
<FONT color="green">610</FONT>                            final int[] exceptArray, //<a name="line.610"></a>
<FONT color="green">611</FONT>                            final int[] sizeArray, //<a name="line.611"></a>
<FONT color="green">612</FONT>                            final long millisTimeout) throws ExceptionUDT {<a name="line.612"></a>
<FONT color="green">613</FONT>    <a name="line.613"></a>
<FONT color="green">614</FONT>                    assert readArray != null;<a name="line.614"></a>
<FONT color="green">615</FONT>                    assert writeArray != null;<a name="line.615"></a>
<FONT color="green">616</FONT>                    assert exceptArray != null;<a name="line.616"></a>
<FONT color="green">617</FONT>                    assert sizeArray != null;<a name="line.617"></a>
<FONT color="green">618</FONT>    <a name="line.618"></a>
<FONT color="green">619</FONT>                    assert readArray.length &gt;= sizeArray[UDT_READ_INDEX];<a name="line.619"></a>
<FONT color="green">620</FONT>                    assert writeArray.length &gt;= sizeArray[UDT_WRITE_INDEX];<a name="line.620"></a>
<FONT color="green">621</FONT>                    assert exceptArray.length &gt;= readArray.length;<a name="line.621"></a>
<FONT color="green">622</FONT>                    assert exceptArray.length &gt;= writeArray.length;<a name="line.622"></a>
<FONT color="green">623</FONT>    <a name="line.623"></a>
<FONT color="green">624</FONT>                    assert millisTimeout &gt;= DEFAULT_MIN_SELECTOR_TIMEOUT<a name="line.624"></a>
<FONT color="green">625</FONT>                                    || millisTimeout &lt;= 0;<a name="line.625"></a>
<FONT color="green">626</FONT>    <a name="line.626"></a>
<FONT color="green">627</FONT>                    return select0(readArray, writeArray, exceptArray, sizeArray,<a name="line.627"></a>
<FONT color="green">628</FONT>                                    millisTimeout);<a name="line.628"></a>
<FONT color="green">629</FONT>    <a name="line.629"></a>
<FONT color="green">630</FONT>            }<a name="line.630"></a>
<FONT color="green">631</FONT>    <a name="line.631"></a>
<FONT color="green">632</FONT>            /**<a name="line.632"></a>
<FONT color="green">633</FONT>             * @see com.barchart.udt.nio.SelectorUDT#select()<a name="line.633"></a>
<FONT color="green">634</FONT>             * @see &lt;a<a name="line.634"></a>
<FONT color="green">635</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/select.htm"&gt;UDT::select()&lt;/a&gt;<a name="line.635"></a>
<FONT color="green">636</FONT>             */<a name="line.636"></a>
<FONT color="green">637</FONT>            protected static native int select1( //<a name="line.637"></a>
<FONT color="green">638</FONT>                            final IntBuffer readBuffer, //<a name="line.638"></a>
<FONT color="green">639</FONT>                            final IntBuffer writeBuffer, //<a name="line.639"></a>
<FONT color="green">640</FONT>                            final IntBuffer exceptBuffer, //<a name="line.640"></a>
<FONT color="green">641</FONT>                            final IntBuffer sizeBuffer, //<a name="line.641"></a>
<FONT color="green">642</FONT>                            long millisTimeout //<a name="line.642"></a>
<FONT color="green">643</FONT>            ) throws ExceptionUDT;<a name="line.643"></a>
<FONT color="green">644</FONT>    <a name="line.644"></a>
<FONT color="green">645</FONT>            /**<a name="line.645"></a>
<FONT color="green">646</FONT>             * Basic access to UDT socket readiness selection feature. Based on<a name="line.646"></a>
<FONT color="green">647</FONT>             * {@link java.nio.DirectIntBuffer} info exchange.Timeout is in<a name="line.647"></a>
<FONT color="green">648</FONT>             * milliseconds.<a name="line.648"></a>
<FONT color="green">649</FONT>             * <a name="line.649"></a>
<FONT color="green">650</FONT>             * @return &lt;code&gt;&lt;0&lt;/code&gt; : should not happen&lt;br&gt;<a name="line.650"></a>
<FONT color="green">651</FONT>             *         &lt;code&gt;=0&lt;/code&gt; : timeout, no ready sockets&lt;br&gt;<a name="line.651"></a>
<FONT color="green">652</FONT>             *         &lt;code&gt;&gt;0&lt;/code&gt; : total number or reads, writes, exceptions&lt;br&gt;<a name="line.652"></a>
<FONT color="green">653</FONT>             * @see #select1(IntBuffer, IntBuffer, IntBuffer, IntBuffer, long)<a name="line.653"></a>
<FONT color="green">654</FONT>             */<a name="line.654"></a>
<FONT color="green">655</FONT>            // asserts are contracts<a name="line.655"></a>
<FONT color="green">656</FONT>            public final static int select( //<a name="line.656"></a>
<FONT color="green">657</FONT>                            final IntBuffer readBuffer, //<a name="line.657"></a>
<FONT color="green">658</FONT>                            final IntBuffer writeBuffer, //<a name="line.658"></a>
<FONT color="green">659</FONT>                            final IntBuffer exceptBuffer, //<a name="line.659"></a>
<FONT color="green">660</FONT>                            final IntBuffer sizeBuffer, //<a name="line.660"></a>
<FONT color="green">661</FONT>                            final long millisTimeout) throws ExceptionUDT {<a name="line.661"></a>
<FONT color="green">662</FONT>    <a name="line.662"></a>
<FONT color="green">663</FONT>                    assert readBuffer != null &amp;&amp; readBuffer.isDirect();<a name="line.663"></a>
<FONT color="green">664</FONT>                    assert writeBuffer != null &amp;&amp; writeBuffer.isDirect();<a name="line.664"></a>
<FONT color="green">665</FONT>                    assert exceptBuffer != null &amp;&amp; exceptBuffer.isDirect();<a name="line.665"></a>
<FONT color="green">666</FONT>                    assert sizeBuffer != null &amp;&amp; sizeBuffer.isDirect();<a name="line.666"></a>
<FONT color="green">667</FONT>    <a name="line.667"></a>
<FONT color="green">668</FONT>                    assert readBuffer.capacity() &gt;= sizeBuffer.get(UDT_READ_INDEX);<a name="line.668"></a>
<FONT color="green">669</FONT>                    assert writeBuffer.capacity() &gt;= sizeBuffer.get(UDT_WRITE_INDEX);<a name="line.669"></a>
<FONT color="green">670</FONT>                    assert exceptBuffer.capacity() &gt;= readBuffer.capacity();<a name="line.670"></a>
<FONT color="green">671</FONT>                    assert exceptBuffer.capacity() &gt;= writeBuffer.capacity();<a name="line.671"></a>
<FONT color="green">672</FONT>    <a name="line.672"></a>
<FONT color="green">673</FONT>                    assert millisTimeout &gt;= DEFAULT_MIN_SELECTOR_TIMEOUT<a name="line.673"></a>
<FONT color="green">674</FONT>                                    || millisTimeout &lt;= 0;<a name="line.674"></a>
<FONT color="green">675</FONT>    <a name="line.675"></a>
<FONT color="green">676</FONT>                    return select1(readBuffer, writeBuffer, exceptBuffer, sizeBuffer,<a name="line.676"></a>
<FONT color="green">677</FONT>                                    millisTimeout);<a name="line.677"></a>
<FONT color="green">678</FONT>    <a name="line.678"></a>
<FONT color="green">679</FONT>            }<a name="line.679"></a>
<FONT color="green">680</FONT>    <a name="line.680"></a>
<FONT color="green">681</FONT>            /**<a name="line.681"></a>
<FONT color="green">682</FONT>             * Basic access to UDT socket readiness selection feature. Based on<a name="line.682"></a>
<FONT color="green">683</FONT>             * {@link java.nio.DirectIntBuffer} info exchange.Timeout is in<a name="line.683"></a>
<FONT color="green">684</FONT>             * milliseconds.<a name="line.684"></a>
<FONT color="green">685</FONT>             * <a name="line.685"></a>
<FONT color="green">686</FONT>             * @return &lt;code&gt;&lt;0&lt;/code&gt; : should not happen&lt;br&gt;<a name="line.686"></a>
<FONT color="green">687</FONT>             *         &lt;code&gt;=0&lt;/code&gt; : timeout, no ready sockets&lt;br&gt;<a name="line.687"></a>
<FONT color="green">688</FONT>             *         &lt;code&gt;&gt;0&lt;/code&gt; : total number or reads, writes, exceptions&lt;br&gt;<a name="line.688"></a>
<FONT color="green">689</FONT>             * @see #epollWait0(int, IntBuffer, IntBuffer, IntBuffer, IntBuffer, long)<a name="line.689"></a>
<FONT color="green">690</FONT>             */<a name="line.690"></a>
<FONT color="green">691</FONT>            // asserts are contracts<a name="line.691"></a>
<FONT color="green">692</FONT>            public final static int selectEpoll( //<a name="line.692"></a>
<FONT color="green">693</FONT>                            final IntBuffer readBuffer, //<a name="line.693"></a>
<FONT color="green">694</FONT>                            final IntBuffer writeBuffer, //<a name="line.694"></a>
<FONT color="green">695</FONT>                            final IntBuffer exceptBuffer, //<a name="line.695"></a>
<FONT color="green">696</FONT>                            final IntBuffer sizeBuffer, //<a name="line.696"></a>
<FONT color="green">697</FONT>                            /* var */long millisTimeout) throws ExceptionUDT {<a name="line.697"></a>
<FONT color="green">698</FONT>    <a name="line.698"></a>
<FONT color="green">699</FONT>                    if (millisTimeout &lt; 0) {<a name="line.699"></a>
<FONT color="green">700</FONT>                            millisTimeout = Long.MAX_VALUE;<a name="line.700"></a>
<FONT color="green">701</FONT>                    }<a name="line.701"></a>
<FONT color="green">702</FONT>    <a name="line.702"></a>
<FONT color="green">703</FONT>                    assert readBuffer != null &amp;&amp; readBuffer.isDirect();<a name="line.703"></a>
<FONT color="green">704</FONT>                    assert writeBuffer != null &amp;&amp; writeBuffer.isDirect();<a name="line.704"></a>
<FONT color="green">705</FONT>                    assert exceptBuffer != null &amp;&amp; exceptBuffer.isDirect();<a name="line.705"></a>
<FONT color="green">706</FONT>                    assert sizeBuffer != null &amp;&amp; sizeBuffer.isDirect();<a name="line.706"></a>
<FONT color="green">707</FONT>    <a name="line.707"></a>
<FONT color="green">708</FONT>                    // TODO<a name="line.708"></a>
<FONT color="green">709</FONT>    <a name="line.709"></a>
<FONT color="green">710</FONT>                    // assert readBuffer.capacity() &gt;= sizeBuffer.get(UDT_READ_INDEX);<a name="line.710"></a>
<FONT color="green">711</FONT>                    // assert writeBuffer.capacity() &gt;= sizeBuffer.get(UDT_WRITE_INDEX);<a name="line.711"></a>
<FONT color="green">712</FONT>                    // assert exceptBuffer.capacity() &gt;= readBuffer.capacity();<a name="line.712"></a>
<FONT color="green">713</FONT>                    // assert exceptBuffer.capacity() &gt;= writeBuffer.capacity();<a name="line.713"></a>
<FONT color="green">714</FONT>                    // assert millisTimeout &gt;= DEFAULT_MIN_SELECTOR_TIMEOUT<a name="line.714"></a>
<FONT color="green">715</FONT>                    // || millisTimeout &lt;= 0;<a name="line.715"></a>
<FONT color="green">716</FONT>    <a name="line.716"></a>
<FONT color="green">717</FONT>                    int epollID = 0; // XXX<a name="line.717"></a>
<FONT color="green">718</FONT>    <a name="line.718"></a>
<FONT color="green">719</FONT>                    // return epollWait(epollID, readBuffer, writeBuffer, exceptBuffer,<a name="line.719"></a>
<FONT color="green">720</FONT>                    // sizeBuffer, millisTimeout);<a name="line.720"></a>
<FONT color="green">721</FONT>    <a name="line.721"></a>
<FONT color="green">722</FONT>                    throw new RuntimeException("TODO");<a name="line.722"></a>
<FONT color="green">723</FONT>    <a name="line.723"></a>
<FONT color="green">724</FONT>            }<a name="line.724"></a>
<FONT color="green">725</FONT>    <a name="line.725"></a>
<FONT color="green">726</FONT>            // ###<a name="line.726"></a>
<FONT color="green">727</FONT>    <a name="line.727"></a>
<FONT color="green">728</FONT>            /**<a name="line.728"></a>
<FONT color="green">729</FONT>             * unimplemented / unused<a name="line.729"></a>
<FONT color="green">730</FONT>             */<a name="line.730"></a>
<FONT color="green">731</FONT>            protected static native void selectEx0(//<a name="line.731"></a>
<FONT color="green">732</FONT>                            final int[] registrationArray, //<a name="line.732"></a>
<FONT color="green">733</FONT>                            final int[] readArray, //<a name="line.733"></a>
<FONT color="green">734</FONT>                            final int[] writeArray, //<a name="line.734"></a>
<FONT color="green">735</FONT>                            final int[] exceptionArray, //<a name="line.735"></a>
<FONT color="green">736</FONT>                            final long timeout) throws ExceptionUDT;<a name="line.736"></a>
<FONT color="green">737</FONT>    <a name="line.737"></a>
<FONT color="green">738</FONT>            // #############################<a name="line.738"></a>
<FONT color="green">739</FONT>    <a name="line.739"></a>
<FONT color="green">740</FONT>            // note: will be inlined by jvm<a name="line.740"></a>
<FONT color="green">741</FONT>            protected static final void checkBuffer(final ByteBuffer buffer) {<a name="line.741"></a>
<FONT color="green">742</FONT>                    if (buffer == null) {<a name="line.742"></a>
<FONT color="green">743</FONT>                            throw new IllegalArgumentException("buffer == null");<a name="line.743"></a>
<FONT color="green">744</FONT>                    }<a name="line.744"></a>
<FONT color="green">745</FONT>                    if (!buffer.isDirect()) {<a name="line.745"></a>
<FONT color="green">746</FONT>                            throw new IllegalArgumentException("must use DirectByteBuffer");<a name="line.746"></a>
<FONT color="green">747</FONT>                    }<a name="line.747"></a>
<FONT color="green">748</FONT>            }<a name="line.748"></a>
<FONT color="green">749</FONT>    <a name="line.749"></a>
<FONT color="green">750</FONT>            // note: will be inlined by jvm<a name="line.750"></a>
<FONT color="green">751</FONT>            protected static final void checkArray(final byte[] array) {<a name="line.751"></a>
<FONT color="green">752</FONT>                    if (array == null) {<a name="line.752"></a>
<FONT color="green">753</FONT>                            throw new IllegalArgumentException("array == null");<a name="line.753"></a>
<FONT color="green">754</FONT>                    }<a name="line.754"></a>
<FONT color="green">755</FONT>            }<a name="line.755"></a>
<FONT color="green">756</FONT>    <a name="line.756"></a>
<FONT color="green">757</FONT>            // #############################<a name="line.757"></a>
<FONT color="green">758</FONT>    <a name="line.758"></a>
<FONT color="green">759</FONT>            /**<a name="line.759"></a>
<FONT color="green">760</FONT>             * send from a complete byte[] array;<a name="line.760"></a>
<FONT color="green">761</FONT>             * <a name="line.761"></a>
<FONT color="green">762</FONT>             * wrapper for &lt;em&gt;UDT::send()&lt;/em&gt;, &lt;em&gt;UDT::sendmsg()&lt;/em&gt;<a name="line.762"></a>
<FONT color="green">763</FONT>             * <a name="line.763"></a>
<FONT color="green">764</FONT>             * @see &lt;a href="http://www.cs.uic.edu/~ygu1/doc/send.htm"&gt;UDT::send()&lt;/a&gt;<a name="line.764"></a>
<FONT color="green">765</FONT>             * @see &lt;a<a name="line.765"></a>
<FONT color="green">766</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/sendmsg.htm"&gt;UDT::sendmsg()&lt;/a&gt;<a name="line.766"></a>
<FONT color="green">767</FONT>             */<a name="line.767"></a>
<FONT color="green">768</FONT>            protected native int send0(final int socketID, final int socketType, //<a name="line.768"></a>
<FONT color="green">769</FONT>                            final int timeToLive, final boolean isOrdered, //<a name="line.769"></a>
<FONT color="green">770</FONT>                            final byte[] array) throws ExceptionUDT;<a name="line.770"></a>
<FONT color="green">771</FONT>    <a name="line.771"></a>
<FONT color="green">772</FONT>            /**<a name="line.772"></a>
<FONT color="green">773</FONT>             * send from a portion of a byte[] array;<a name="line.773"></a>
<FONT color="green">774</FONT>             * <a name="line.774"></a>
<FONT color="green">775</FONT>             * wrapper for &lt;em&gt;UDT::send()&lt;/em&gt;, &lt;em&gt;UDT::sendmsg()&lt;/em&gt;<a name="line.775"></a>
<FONT color="green">776</FONT>             * <a name="line.776"></a>
<FONT color="green">777</FONT>             * @see &lt;a href="http://www.cs.uic.edu/~ygu1/doc/send.htm"&gt;UDT::send()&lt;/a&gt;<a name="line.777"></a>
<FONT color="green">778</FONT>             * @see &lt;a<a name="line.778"></a>
<FONT color="green">779</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/sendmsg.htm"&gt;UDT::sendmsg()&lt;/a&gt;<a name="line.779"></a>
<FONT color="green">780</FONT>             */<a name="line.780"></a>
<FONT color="green">781</FONT>            protected native int send1(final int socketID, final int socketType, //<a name="line.781"></a>
<FONT color="green">782</FONT>                            final int timeToLive, final boolean isOrdered, //<a name="line.782"></a>
<FONT color="green">783</FONT>                            final byte[] array, final int arayPosition, final int arrayLimit)<a name="line.783"></a>
<FONT color="green">784</FONT>                            throws ExceptionUDT;<a name="line.784"></a>
<FONT color="green">785</FONT>    <a name="line.785"></a>
<FONT color="green">786</FONT>            /**<a name="line.786"></a>
<FONT color="green">787</FONT>             * send from {@link java.nio.DirectByteBuffer};<a name="line.787"></a>
<FONT color="green">788</FONT>             * <a name="line.788"></a>
<FONT color="green">789</FONT>             * wrapper for &lt;em&gt;UDT::send()&lt;/em&gt;, &lt;em&gt;UDT::sendmsg()&lt;/em&gt;<a name="line.789"></a>
<FONT color="green">790</FONT>             * <a name="line.790"></a>
<FONT color="green">791</FONT>             * @see &lt;a href="http://www.cs.uic.edu/~ygu1/doc/send.htm"&gt;UDT::send()&lt;/a&gt;<a name="line.791"></a>
<FONT color="green">792</FONT>             * @see &lt;a<a name="line.792"></a>
<FONT color="green">793</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/sendmsg.htm"&gt;UDT::sendmsg()&lt;/a&gt;<a name="line.793"></a>
<FONT color="green">794</FONT>             */<a name="line.794"></a>
<FONT color="green">795</FONT>            protected native int send2(final int socketID,<a name="line.795"></a>
<FONT color="green">796</FONT>                            final int socketType, //<a name="line.796"></a>
<FONT color="green">797</FONT>                            final int timeToLive,<a name="line.797"></a>
<FONT color="green">798</FONT>                            final boolean isOrdered, //<a name="line.798"></a>
<FONT color="green">799</FONT>                            final ByteBuffer buffer, final int bufferPosition,<a name="line.799"></a>
<FONT color="green">800</FONT>                            final int bufferLimit) throws ExceptionUDT;<a name="line.800"></a>
<FONT color="green">801</FONT>    <a name="line.801"></a>
<FONT color="green">802</FONT>            /**<a name="line.802"></a>
<FONT color="green">803</FONT>             * send from byte[] array upto &lt;code&gt;size=array.length&lt;/code&gt; bytes<a name="line.803"></a>
<FONT color="green">804</FONT>             * <a name="line.804"></a>
<FONT color="green">805</FONT>             * @param array<a name="line.805"></a>
<FONT color="green">806</FONT>             *            array to send<a name="line.806"></a>
<FONT color="green">807</FONT>             * @return &lt;code&gt;-1&lt;/code&gt; : no buffer space (non-blocking only) &lt;br&gt;<a name="line.807"></a>
<FONT color="green">808</FONT>             *         &lt;code&gt;=0&lt;/code&gt; : timeout expired (blocking only) &lt;br&gt;<a name="line.808"></a>
<FONT color="green">809</FONT>             *         &lt;code&gt;&gt;0&lt;/code&gt; : normal send, actual sent byte count &lt;br&gt;<a name="line.809"></a>
<FONT color="green">810</FONT>             * @see #send0(int, int, int, boolean, byte[])<a name="line.810"></a>
<FONT color="green">811</FONT>             */<a name="line.811"></a>
<FONT color="green">812</FONT>            public final int send(final byte[] array) throws ExceptionUDT {<a name="line.812"></a>
<FONT color="green">813</FONT>                    checkArray(array);<a name="line.813"></a>
<FONT color="green">814</FONT>                    return send0(socketID, socketType, //<a name="line.814"></a>
<FONT color="green">815</FONT>                                    messageTimeTolive, messageIsOrdered, //<a name="line.815"></a>
<FONT color="green">816</FONT>                                    array);<a name="line.816"></a>
<FONT color="green">817</FONT>            }<a name="line.817"></a>
<FONT color="green">818</FONT>    <a name="line.818"></a>
<FONT color="green">819</FONT>            /**<a name="line.819"></a>
<FONT color="green">820</FONT>             * send from byte[] array upto &lt;code&gt;size=limit-position&lt;/code&gt; bytes<a name="line.820"></a>
<FONT color="green">821</FONT>             * <a name="line.821"></a>
<FONT color="green">822</FONT>             * @param array<a name="line.822"></a>
<FONT color="green">823</FONT>             *            array to send<a name="line.823"></a>
<FONT color="green">824</FONT>             * @param position<a name="line.824"></a>
<FONT color="green">825</FONT>             *            start of array portion to send<a name="line.825"></a>
<FONT color="green">826</FONT>             * @param limit<a name="line.826"></a>
<FONT color="green">827</FONT>             *            finish of array portion to send<a name="line.827"></a>
<FONT color="green">828</FONT>             * @return &lt;code&gt;-1&lt;/code&gt; : no buffer space (non-blocking only) &lt;br&gt;<a name="line.828"></a>
<FONT color="green">829</FONT>             *         &lt;code&gt;=0&lt;/code&gt; : timeout expired (blocking only) &lt;br&gt;<a name="line.829"></a>
<FONT color="green">830</FONT>             *         &lt;code&gt;&gt;0&lt;/code&gt; : normal send, actual sent byte count &lt;br&gt;<a name="line.830"></a>
<FONT color="green">831</FONT>             * @see #send1(int, int, int, boolean, byte[], int, int)<a name="line.831"></a>
<FONT color="green">832</FONT>             */<a name="line.832"></a>
<FONT color="green">833</FONT>            public final int send(final byte[] array, final int position,<a name="line.833"></a>
<FONT color="green">834</FONT>                            final int limit) throws ExceptionUDT {<a name="line.834"></a>
<FONT color="green">835</FONT>                    checkArray(array);<a name="line.835"></a>
<FONT color="green">836</FONT>                    return send1(socketID, socketType, //<a name="line.836"></a>
<FONT color="green">837</FONT>                                    messageTimeTolive, messageIsOrdered, //<a name="line.837"></a>
<FONT color="green">838</FONT>                                    array, position, limit);<a name="line.838"></a>
<FONT color="green">839</FONT>            }<a name="line.839"></a>
<FONT color="green">840</FONT>    <a name="line.840"></a>
<FONT color="green">841</FONT>            /**<a name="line.841"></a>
<FONT color="green">842</FONT>             * send from {@link java.nio.DirectByteBuffer}, upto<a name="line.842"></a>
<FONT color="green">843</FONT>             * {@link java.nio.ByteBuffer#remaining()} bytes<a name="line.843"></a>
<FONT color="green">844</FONT>             * <a name="line.844"></a>
<FONT color="green">845</FONT>             * @param buffer<a name="line.845"></a>
<FONT color="green">846</FONT>             *            buffer to send<a name="line.846"></a>
<FONT color="green">847</FONT>             * @return &lt;code&gt;-1&lt;/code&gt; : no buffer space (non-blocking only)&lt;br&gt;<a name="line.847"></a>
<FONT color="green">848</FONT>             *         &lt;code&gt;=0&lt;/code&gt; : timeout expired (blocking only)&lt;br&gt;<a name="line.848"></a>
<FONT color="green">849</FONT>             *         &lt;code&gt;&gt;0&lt;/code&gt; : normal send, actual sent byte count&lt;br&gt;<a name="line.849"></a>
<FONT color="green">850</FONT>             * @see #send2(int, int, int, boolean, ByteBuffer, int, int)<a name="line.850"></a>
<FONT color="green">851</FONT>             */<a name="line.851"></a>
<FONT color="green">852</FONT>            public final int send(final ByteBuffer buffer) throws ExceptionUDT {<a name="line.852"></a>
<FONT color="green">853</FONT>                    checkBuffer(buffer);<a name="line.853"></a>
<FONT color="green">854</FONT>                    final int position = buffer.position();<a name="line.854"></a>
<FONT color="green">855</FONT>                    final int limit = buffer.limit();<a name="line.855"></a>
<FONT color="green">856</FONT>                    final int remaining = buffer.remaining();<a name="line.856"></a>
<FONT color="green">857</FONT>                    final int sizeSent = send2(socketID, socketType, //<a name="line.857"></a>
<FONT color="green">858</FONT>                                    messageTimeTolive, messageIsOrdered, //<a name="line.858"></a>
<FONT color="green">859</FONT>                                    buffer, position, limit);<a name="line.859"></a>
<FONT color="green">860</FONT>                    if (sizeSent &lt;= 0) {<a name="line.860"></a>
<FONT color="green">861</FONT>                            return sizeSent;<a name="line.861"></a>
<FONT color="green">862</FONT>                    }<a name="line.862"></a>
<FONT color="green">863</FONT>                    if (sizeSent &lt;= remaining) {<a name="line.863"></a>
<FONT color="green">864</FONT>                            buffer.position(position + sizeSent);<a name="line.864"></a>
<FONT color="green">865</FONT>                            return sizeSent;<a name="line.865"></a>
<FONT color="green">866</FONT>                    } else { // should not happen<a name="line.866"></a>
<FONT color="green">867</FONT>                            log.error("sizeSent &gt; remaining");<a name="line.867"></a>
<FONT color="green">868</FONT>                            return 0;<a name="line.868"></a>
<FONT color="green">869</FONT>                    }<a name="line.869"></a>
<FONT color="green">870</FONT>            }<a name="line.870"></a>
<FONT color="green">871</FONT>    <a name="line.871"></a>
<FONT color="green">872</FONT>            /**<a name="line.872"></a>
<FONT color="green">873</FONT>             * default timeToLive value used by sendmsg mode<a name="line.873"></a>
<FONT color="green">874</FONT>             * <a name="line.874"></a>
<FONT color="green">875</FONT>             * @see &lt;a<a name="line.875"></a>
<FONT color="green">876</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/sendmsg.htm"&gt;UDT::sendmsg()&lt;/a&gt;<a name="line.876"></a>
<FONT color="green">877</FONT>             */<a name="line.877"></a>
<FONT color="green">878</FONT>            public final void setMessageTimeTolLive(final int timeToLive) {<a name="line.878"></a>
<FONT color="green">879</FONT>                    // publisher to volatile<a name="line.879"></a>
<FONT color="green">880</FONT>                    messageTimeTolive = timeToLive;<a name="line.880"></a>
<FONT color="green">881</FONT>            }<a name="line.881"></a>
<FONT color="green">882</FONT>    <a name="line.882"></a>
<FONT color="green">883</FONT>            /**<a name="line.883"></a>
<FONT color="green">884</FONT>             * default isOrdered value used by sendmsg mode<a name="line.884"></a>
<FONT color="green">885</FONT>             * <a name="line.885"></a>
<FONT color="green">886</FONT>             * @see &lt;a<a name="line.886"></a>
<FONT color="green">887</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/sendmsg.htm"&gt;UDT::sendmsg()&lt;/a&gt;<a name="line.887"></a>
<FONT color="green">888</FONT>             */<a name="line.888"></a>
<FONT color="green">889</FONT>            public final void setMessageIsOdered(final boolean isOrdered) {<a name="line.889"></a>
<FONT color="green">890</FONT>                    // publisher to volatile<a name="line.890"></a>
<FONT color="green">891</FONT>                    messageIsOrdered = isOrdered;<a name="line.891"></a>
<FONT color="green">892</FONT>            }<a name="line.892"></a>
<FONT color="green">893</FONT>    <a name="line.893"></a>
<FONT color="green">894</FONT>            /**<a name="line.894"></a>
<FONT color="green">895</FONT>             * WRAPPER_UNIMPLEMENTED<a name="line.895"></a>
<FONT color="green">896</FONT>             * <a name="line.896"></a>
<FONT color="green">897</FONT>             * @see &lt;a<a name="line.897"></a>
<FONT color="green">898</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/sendfile.htm"&gt;UDT::sendfile()&lt;/a&gt;<a name="line.898"></a>
<FONT color="green">899</FONT>             */<a name="line.899"></a>
<FONT color="green">900</FONT>            public final int sendFile(final ByteBuffer buffer) throws ExceptionUDT {<a name="line.900"></a>
<FONT color="green">901</FONT>                    throw new ExceptionUDT(//<a name="line.901"></a>
<FONT color="green">902</FONT>                                    socketID, ErrorUDT.WRAPPER_UNIMPLEMENTED, "sendFile");<a name="line.902"></a>
<FONT color="green">903</FONT>            }<a name="line.903"></a>
<FONT color="green">904</FONT>    <a name="line.904"></a>
<FONT color="green">905</FONT>            /**<a name="line.905"></a>
<FONT color="green">906</FONT>             * @see &lt;a<a name="line.906"></a>
<FONT color="green">907</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/perfmon.htm"&gt;perfmon.htm&lt;/a&gt;<a name="line.907"></a>
<FONT color="green">908</FONT>             */<a name="line.908"></a>
<FONT color="green">909</FONT>            protected native void updateMonitor0(final boolean makeClear)<a name="line.909"></a>
<FONT color="green">910</FONT>                            throws ExceptionUDT;<a name="line.910"></a>
<FONT color="green">911</FONT>    <a name="line.911"></a>
<FONT color="green">912</FONT>            /**<a name="line.912"></a>
<FONT color="green">913</FONT>             * Load updated statistics values into {@link #monitor} object. Must call<a name="line.913"></a>
<FONT color="green">914</FONT>             * this methos only on connected socket.<a name="line.914"></a>
<FONT color="green">915</FONT>             * <a name="line.915"></a>
<FONT color="green">916</FONT>             * @param makeClear<a name="line.916"></a>
<FONT color="green">917</FONT>             *            true : reset all statistics with this call; false : keep<a name="line.917"></a>
<FONT color="green">918</FONT>             *            collecting statistics, load updated values.<a name="line.918"></a>
<FONT color="green">919</FONT>             * @see #updateMonitor0(boolean)<a name="line.919"></a>
<FONT color="green">920</FONT>             */<a name="line.920"></a>
<FONT color="green">921</FONT>            public final void updateMonitor(final boolean makeClear)<a name="line.921"></a>
<FONT color="green">922</FONT>                            throws ExceptionUDT {<a name="line.922"></a>
<FONT color="green">923</FONT>                    updateMonitor0(makeClear);<a name="line.923"></a>
<FONT color="green">924</FONT>            }<a name="line.924"></a>
<FONT color="green">925</FONT>    <a name="line.925"></a>
<FONT color="green">926</FONT>            /**<a name="line.926"></a>
<FONT color="green">927</FONT>             * @see &lt;a<a name="line.927"></a>
<FONT color="green">928</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/t-error.htm"&gt;t-error.htm&lt;/a&gt;<a name="line.928"></a>
<FONT color="green">929</FONT>             */<a name="line.929"></a>
<FONT color="green">930</FONT>            protected native int getErrorCode0();<a name="line.930"></a>
<FONT color="green">931</FONT>    <a name="line.931"></a>
<FONT color="green">932</FONT>            /**<a name="line.932"></a>
<FONT color="green">933</FONT>             * Error code set by last operation on a socket.<a name="line.933"></a>
<FONT color="green">934</FONT>             * <a name="line.934"></a>
<FONT color="green">935</FONT>             * @see &lt;a<a name="line.935"></a>
<FONT color="green">936</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/t-error.htm"&gt;t-error.htm&lt;/a&gt;<a name="line.936"></a>
<FONT color="green">937</FONT>             */<a name="line.937"></a>
<FONT color="green">938</FONT>            public final int getErrorCode() {<a name="line.938"></a>
<FONT color="green">939</FONT>                    return getErrorCode0();<a name="line.939"></a>
<FONT color="green">940</FONT>            }<a name="line.940"></a>
<FONT color="green">941</FONT>    <a name="line.941"></a>
<FONT color="green">942</FONT>            /**<a name="line.942"></a>
<FONT color="green">943</FONT>             * @see &lt;a<a name="line.943"></a>
<FONT color="green">944</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/t-error.htm"&gt;t-error.htm&lt;/a&gt;<a name="line.944"></a>
<FONT color="green">945</FONT>             */<a name="line.945"></a>
<FONT color="green">946</FONT>            protected native String getErrorMessage0();<a name="line.946"></a>
<FONT color="green">947</FONT>    <a name="line.947"></a>
<FONT color="green">948</FONT>            /**<a name="line.948"></a>
<FONT color="green">949</FONT>             * Native error message set by last operation on a socket.<a name="line.949"></a>
<FONT color="green">950</FONT>             * <a name="line.950"></a>
<FONT color="green">951</FONT>             * @see &lt;a<a name="line.951"></a>
<FONT color="green">952</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/t-error.htm"&gt;t-error.htm&lt;/a&gt;<a name="line.952"></a>
<FONT color="green">953</FONT>             */<a name="line.953"></a>
<FONT color="green">954</FONT>            public final String getErrorMessage() {<a name="line.954"></a>
<FONT color="green">955</FONT>                    return getErrorMessage0();<a name="line.955"></a>
<FONT color="green">956</FONT>            }<a name="line.956"></a>
<FONT color="green">957</FONT>    <a name="line.957"></a>
<FONT color="green">958</FONT>            /**<a name="line.958"></a>
<FONT color="green">959</FONT>             * @see &lt;a<a name="line.959"></a>
<FONT color="green">960</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/t-error.htm"&gt;t-error.htm&lt;/a&gt;<a name="line.960"></a>
<FONT color="green">961</FONT>             */<a name="line.961"></a>
<FONT color="green">962</FONT>            protected native void clearError0();<a name="line.962"></a>
<FONT color="green">963</FONT>    <a name="line.963"></a>
<FONT color="green">964</FONT>            /**<a name="line.964"></a>
<FONT color="green">965</FONT>             * Clear error status on a socket, if any.<a name="line.965"></a>
<FONT color="green">966</FONT>             * <a name="line.966"></a>
<FONT color="green">967</FONT>             * @see &lt;a<a name="line.967"></a>
<FONT color="green">968</FONT>             *      href="http://www.cs.uic.edu/~ygu1/doc/t-error.htm"&gt;t-error.htm&lt;/a&gt;<a name="line.968"></a>
<FONT color="green">969</FONT>             */<a name="line.969"></a>
<FONT color="green">970</FONT>            public final void clearError() {<a name="line.970"></a>
<FONT color="green">971</FONT>                    clearError0();<a name="line.971"></a>
<FONT color="green">972</FONT>            }<a name="line.972"></a>
<FONT color="green">973</FONT>    <a name="line.973"></a>
<FONT color="green">974</FONT>            /**<a name="line.974"></a>
<FONT color="green">975</FONT>             * Check if socket is open. (JDK semantics). The status of underlying UDT<a name="line.975"></a>
<FONT color="green">976</FONT>             * socket is mapped into JDK expected categories<a name="line.976"></a>
<FONT color="green">977</FONT>             * <a name="line.977"></a>
<FONT color="green">978</FONT>             * @see StatusUDT#isOpenEmulateJDK()<a name="line.978"></a>
<FONT color="green">979</FONT>             */<a name="line.979"></a>
<FONT color="green">980</FONT>            public final boolean isOpen() {<a name="line.980"></a>
<FONT color="green">981</FONT>    <a name="line.981"></a>
<FONT color="green">982</FONT>                    final StatusUDT status = getStatus();<a name="line.982"></a>
<FONT color="green">983</FONT>    <a name="line.983"></a>
<FONT color="green">984</FONT>                    return status.isOpenEmulateJDK();<a name="line.984"></a>
<FONT color="green">985</FONT>    <a name="line.985"></a>
<FONT color="green">986</FONT>            }<a name="line.986"></a>
<FONT color="green">987</FONT>    <a name="line.987"></a>
<FONT color="green">988</FONT>            /**<a name="line.988"></a>
<FONT color="green">989</FONT>             * Check if socket is closed. A convenience !isOpen();<a name="line.989"></a>
<FONT color="green">990</FONT>             * <a name="line.990"></a>
<FONT color="green">991</FONT>             * @see #isOpen()<a name="line.991"></a>
<FONT color="green">992</FONT>             */<a name="line.992"></a>
<FONT color="green">993</FONT>            public boolean isClosed() {<a name="line.993"></a>
<FONT color="green">994</FONT>                    return !isOpen();<a name="line.994"></a>
<FONT color="green">995</FONT>            }<a name="line.995"></a>
<FONT color="green">996</FONT>    <a name="line.996"></a>
<FONT color="green">997</FONT>            //<a name="line.997"></a>
<FONT color="green">998</FONT>    <a name="line.998"></a>
<FONT color="green">999</FONT>            /** TODO add link to UDT doc */<a name="line.999"></a>
<FONT color="green">1000</FONT>            protected native int getStatus0();<a name="line.1000"></a>
<FONT color="green">1001</FONT>    <a name="line.1001"></a>
<FONT color="green">1002</FONT>            /**<a name="line.1002"></a>
<FONT color="green">1003</FONT>             * returns native status of underlying native UDT socket<a name="line.1003"></a>
<FONT color="green">1004</FONT>             */<a name="line.1004"></a>
<FONT color="green">1005</FONT>            public StatusUDT getStatus() {<a name="line.1005"></a>
<FONT color="green">1006</FONT>                    return StatusUDT.fromCode(getStatus0());<a name="line.1006"></a>
<FONT color="green">1007</FONT>            }<a name="line.1007"></a>
<FONT color="green">1008</FONT>    <a name="line.1008"></a>
<FONT color="green">1009</FONT>            // ###<a name="line.1009"></a>
<FONT color="green">1010</FONT>            // ### UDT API<a name="line.1010"></a>
<FONT color="green">1011</FONT>            // ###################################################<a name="line.1011"></a>
<FONT color="green">1012</FONT>    <a name="line.1012"></a>
<FONT color="green">1013</FONT>            // convenience methods<a name="line.1013"></a>
<FONT color="green">1014</FONT>    <a name="line.1014"></a>
<FONT color="green">1015</FONT>            /**<a name="line.1015"></a>
<FONT color="green">1016</FONT>             * Apply default settings for message mode.<a name="line.1016"></a>
<FONT color="green">1017</FONT>             * &lt;p&gt;<a name="line.1017"></a>
<FONT color="green">1018</FONT>             * IsOdered = true;&lt;br&gt;<a name="line.1018"></a>
<FONT color="green">1019</FONT>             * TimeTolLive = INFINITE_TTL;&lt;br&gt;<a name="line.1019"></a>
<FONT color="green">1020</FONT>             */<a name="line.1020"></a>
<FONT color="green">1021</FONT>            public final void setDefaultMessageSendMode() {<a name="line.1021"></a>
<FONT color="green">1022</FONT>                    setMessageIsOdered(true);<a name="line.1022"></a>
<FONT color="green">1023</FONT>                    setMessageTimeTolLive(INFINITE_TTL);<a name="line.1023"></a>
<FONT color="green">1024</FONT>            }<a name="line.1024"></a>
<FONT color="green">1025</FONT>    <a name="line.1025"></a>
<FONT color="green">1026</FONT>            /**<a name="line.1026"></a>
<FONT color="green">1027</FONT>             * "Primary" socket. Default constructor; will apply<a name="line.1027"></a>
<FONT color="green">1028</FONT>             * {@link #setDefaultMessageSendMode()}<a name="line.1028"></a>
<FONT color="green">1029</FONT>             * <a name="line.1029"></a>
<FONT color="green">1030</FONT>             * @param type<a name="line.1030"></a>
<FONT color="green">1031</FONT>             *            UDT socket type<a name="line.1031"></a>
<FONT color="green">1032</FONT>             */<a name="line.1032"></a>
<FONT color="green">1033</FONT>            public SocketUDT(final TypeUDT type) throws ExceptionUDT {<a name="line.1033"></a>
<FONT color="green">1034</FONT>                    synchronized (SocketUDT.class) {<a name="line.1034"></a>
<FONT color="green">1035</FONT>                            this.type = type;<a name="line.1035"></a>
<FONT color="green">1036</FONT>                            this.monitor = new MonitorUDT(this);<a name="line.1036"></a>
<FONT color="green">1037</FONT>                            this.socketID = initInstance0(type.code);<a name="line.1037"></a>
<FONT color="green">1038</FONT>                            this.socketType = type.code;<a name="line.1038"></a>
<FONT color="green">1039</FONT>                            this.socketAddressFamily = 2; // ipv4<a name="line.1039"></a>
<FONT color="green">1040</FONT>                            setDefaultMessageSendMode();<a name="line.1040"></a>
<FONT color="green">1041</FONT>                    }<a name="line.1041"></a>
<FONT color="green">1042</FONT>            }<a name="line.1042"></a>
<FONT color="green">1043</FONT>    <a name="line.1043"></a>
<FONT color="green">1044</FONT>            /**<a name="line.1044"></a>
<FONT color="green">1045</FONT>             * "Secondary" socket. Made by {@link #accept0()}, will apply<a name="line.1045"></a>
<FONT color="green">1046</FONT>             * {@link #setDefaultMessageSendMode()}<a name="line.1046"></a>
<FONT color="green">1047</FONT>             * <a name="line.1047"></a>
<FONT color="green">1048</FONT>             * @param socketID<a name="line.1048"></a>
<FONT color="green">1049</FONT>             *            UDT socket descriptor;<a name="line.1049"></a>
<FONT color="green">1050</FONT>             */<a name="line.1050"></a>
<FONT color="green">1051</FONT>            protected SocketUDT(final TypeUDT type, final int socketID)<a name="line.1051"></a>
<FONT color="green">1052</FONT>                            throws ExceptionUDT {<a name="line.1052"></a>
<FONT color="green">1053</FONT>                    synchronized (SocketUDT.class) {<a name="line.1053"></a>
<FONT color="green">1054</FONT>                            this.type = type;<a name="line.1054"></a>
<FONT color="green">1055</FONT>                            this.monitor = new MonitorUDT(this);<a name="line.1055"></a>
<FONT color="green">1056</FONT>                            this.socketID = initInstance1(socketID);<a name="line.1056"></a>
<FONT color="green">1057</FONT>                            this.socketType = type.code;<a name="line.1057"></a>
<FONT color="green">1058</FONT>                            this.socketAddressFamily = 2; // ipv4<a name="line.1058"></a>
<FONT color="green">1059</FONT>                            setDefaultMessageSendMode();<a name="line.1059"></a>
<FONT color="green">1060</FONT>                    }<a name="line.1060"></a>
<FONT color="green">1061</FONT>            }<a name="line.1061"></a>
<FONT color="green">1062</FONT>    <a name="line.1062"></a>
<FONT color="green">1063</FONT>            /**<a name="line.1063"></a>
<FONT color="green">1064</FONT>             * Check if socket is bound. (JDK semantics)<a name="line.1064"></a>
<FONT color="green">1065</FONT>             * <a name="line.1065"></a>
<FONT color="green">1066</FONT>             * @return true : {@link #bind(InetSocketAddress)} was successful&lt;br&gt;<a name="line.1066"></a>
<FONT color="green">1067</FONT>             *         false : otherwise&lt;br&gt;<a name="line.1067"></a>
<FONT color="green">1068</FONT>             */<a name="line.1068"></a>
<FONT color="green">1069</FONT>            public final boolean isBound() {<a name="line.1069"></a>
<FONT color="green">1070</FONT>                    if (isClosed()) {<a name="line.1070"></a>
<FONT color="green">1071</FONT>                            return false;<a name="line.1071"></a>
<FONT color="green">1072</FONT>                    }<a name="line.1072"></a>
<FONT color="green">1073</FONT>                    try {<a name="line.1073"></a>
<FONT color="green">1074</FONT>                            return getLocalSocketAddress() != null;<a name="line.1074"></a>
<FONT color="green">1075</FONT>                    } catch (Exception e) {<a name="line.1075"></a>
<FONT color="green">1076</FONT>                            return false;<a name="line.1076"></a>
<FONT color="green">1077</FONT>                    }<a name="line.1077"></a>
<FONT color="green">1078</FONT>            }<a name="line.1078"></a>
<FONT color="green">1079</FONT>    <a name="line.1079"></a>
<FONT color="green">1080</FONT>            /**<a name="line.1080"></a>
<FONT color="green">1081</FONT>             * Check if socket is connected. (JDK semantics)<a name="line.1081"></a>
<FONT color="green">1082</FONT>             * <a name="line.1082"></a>
<FONT color="green">1083</FONT>             * @return true : {@link #connect(InetSocketAddress)} was successful&lt;br&gt;<a name="line.1083"></a>
<FONT color="green">1084</FONT>             *         false : otherwise&lt;br&gt;<a name="line.1084"></a>
<FONT color="green">1085</FONT>             */<a name="line.1085"></a>
<FONT color="green">1086</FONT>            public final boolean isConnected() {<a name="line.1086"></a>
<FONT color="green">1087</FONT>                    if (isClosed()) {<a name="line.1087"></a>
<FONT color="green">1088</FONT>                            return false;<a name="line.1088"></a>
<FONT color="green">1089</FONT>                    }<a name="line.1089"></a>
<FONT color="green">1090</FONT>                    try {<a name="line.1090"></a>
<FONT color="green">1091</FONT>                            return getRemoteSocketAddress() != null;<a name="line.1091"></a>
<FONT color="green">1092</FONT>                    } catch (Exception e) {<a name="line.1092"></a>
<FONT color="green">1093</FONT>                            return false;<a name="line.1093"></a>
<FONT color="green">1094</FONT>                    }<a name="line.1094"></a>
<FONT color="green">1095</FONT>            }<a name="line.1095"></a>
<FONT color="green">1096</FONT>    <a name="line.1096"></a>
<FONT color="green">1097</FONT>            /**<a name="line.1097"></a>
<FONT color="green">1098</FONT>             * Error object wrapper.<a name="line.1098"></a>
<FONT color="green">1099</FONT>             * <a name="line.1099"></a>
<FONT color="green">1100</FONT>             * @return error status set by last socket operation<a name="line.1100"></a>
<FONT color="green">1101</FONT>             **/<a name="line.1101"></a>
<FONT color="green">1102</FONT>            public final ErrorUDT getError() {<a name="line.1102"></a>
<FONT color="green">1103</FONT>                    int code = getErrorCode();<a name="line.1103"></a>
<FONT color="green">1104</FONT>                    return ErrorUDT.errorFrom(code);<a name="line.1104"></a>
<FONT color="green">1105</FONT>            }<a name="line.1105"></a>
<FONT color="green">1106</FONT>    <a name="line.1106"></a>
<FONT color="green">1107</FONT>            //<a name="line.1107"></a>
<FONT color="green">1108</FONT>    <a name="line.1108"></a>
<FONT color="green">1109</FONT>            /**<a name="line.1109"></a>
<FONT color="green">1110</FONT>             * Configure socket in blocking/non-blocking mode. (JDK semantics)<a name="line.1110"></a>
<FONT color="green">1111</FONT>             * <a name="line.1111"></a>
<FONT color="green">1112</FONT>             * @param block<a name="line.1112"></a>
<FONT color="green">1113</FONT>             *            true : set both send and receive to blocking mode; false : set<a name="line.1113"></a>
<FONT color="green">1114</FONT>             *            both send and receive to non-blocking mode<a name="line.1114"></a>
<FONT color="green">1115</FONT>             * @see java.nio.channels.SocketChannel#configureBlocking(boolean)<a name="line.1115"></a>
<FONT color="green">1116</FONT>             */<a name="line.1116"></a>
<FONT color="green">1117</FONT>            public final void configureBlocking(final boolean block)<a name="line.1117"></a>
<FONT color="green">1118</FONT>                            throws ExceptionUDT {<a name="line.1118"></a>
<FONT color="green">1119</FONT>                    if (block) {<a name="line.1119"></a>
<FONT color="green">1120</FONT>                            setOption(OptionUDT.Is_Receive_Synchronous, Boolean.TRUE);<a name="line.1120"></a>
<FONT color="green">1121</FONT>                            setOption(OptionUDT.Is_Send_Synchronous, Boolean.TRUE);<a name="line.1121"></a>
<FONT color="green">1122</FONT>                    } else {<a name="line.1122"></a>
<FONT color="green">1123</FONT>                            setOption(OptionUDT.Is_Receive_Synchronous, Boolean.FALSE);<a name="line.1123"></a>
<FONT color="green">1124</FONT>                            setOption(OptionUDT.Is_Send_Synchronous, Boolean.FALSE);<a name="line.1124"></a>
<FONT color="green">1125</FONT>                    }<a name="line.1125"></a>
<FONT color="green">1126</FONT>            }<a name="line.1126"></a>
<FONT color="green">1127</FONT>    <a name="line.1127"></a>
<FONT color="green">1128</FONT>            /**<a name="line.1128"></a>
<FONT color="green">1129</FONT>             * Check if socket is in strict blocking mode. (JDK semantics)<a name="line.1129"></a>
<FONT color="green">1130</FONT>             * <a name="line.1130"></a>
<FONT color="green">1131</FONT>             * @return true : socket is valid and both send and receive are set to<a name="line.1131"></a>
<FONT color="green">1132</FONT>             *         blocking mode; false : at least one channel is set to<a name="line.1132"></a>
<FONT color="green">1133</FONT>             *         non-blocking mode or socket is invalid;<a name="line.1133"></a>
<FONT color="green">1134</FONT>             * <a name="line.1134"></a>
<FONT color="green">1135</FONT>             * @see #isNonBlocking()<a name="line.1135"></a>
<FONT color="green">1136</FONT>             * @see #configureBlocking(boolean)<a name="line.1136"></a>
<FONT color="green">1137</FONT>             */<a name="line.1137"></a>
<FONT color="green">1138</FONT>            public final boolean isBlocking() {<a name="line.1138"></a>
<FONT color="green">1139</FONT>                    try {<a name="line.1139"></a>
<FONT color="green">1140</FONT>                            if (isOpen()) {<a name="line.1140"></a>
<FONT color="green">1141</FONT>                                    boolean isReceiveBlocking = (Boolean) getOption(OptionUDT.Is_Receive_Synchronous);<a name="line.1141"></a>
<FONT color="green">1142</FONT>                                    boolean isSendBlocking = (Boolean) getOption(OptionUDT.Is_Send_Synchronous);<a name="line.1142"></a>
<FONT color="green">1143</FONT>                                    return isReceiveBlocking &amp;&amp; isSendBlocking;<a name="line.1143"></a>
<FONT color="green">1144</FONT>                            }<a name="line.1144"></a>
<FONT color="green">1145</FONT>                    } catch (Exception e) {<a name="line.1145"></a>
<FONT color="green">1146</FONT>                            log.error("unexpected;", e);<a name="line.1146"></a>
<FONT color="green">1147</FONT>                    }<a name="line.1147"></a>
<FONT color="green">1148</FONT>                    return false;<a name="line.1148"></a>
<FONT color="green">1149</FONT>            }<a name="line.1149"></a>
<FONT color="green">1150</FONT>    <a name="line.1150"></a>
<FONT color="green">1151</FONT>            /**<a name="line.1151"></a>
<FONT color="green">1152</FONT>             * Check if socket is in strict non-blocking mode.<a name="line.1152"></a>
<FONT color="green">1153</FONT>             * <a name="line.1153"></a>
<FONT color="green">1154</FONT>             * @return true : socket is valid and both send and receive are set to NON<a name="line.1154"></a>
<FONT color="green">1155</FONT>             *         blocking mode; false : at least one channel is set to blocking<a name="line.1155"></a>
<FONT color="green">1156</FONT>             *         mode or socket is invalid;<a name="line.1156"></a>
<FONT color="green">1157</FONT>             * @see #isBlocking()<a name="line.1157"></a>
<FONT color="green">1158</FONT>             * @see #configureBlocking(boolean)<a name="line.1158"></a>
<FONT color="green">1159</FONT>             */<a name="line.1159"></a>
<FONT color="green">1160</FONT>            public final boolean isNonBlocking() {<a name="line.1160"></a>
<FONT color="green">1161</FONT>                    try {<a name="line.1161"></a>
<FONT color="green">1162</FONT>                            if (isOpen()) {<a name="line.1162"></a>
<FONT color="green">1163</FONT>                                    boolean isReceiveBlocking = (Boolean) getOption(OptionUDT.Is_Receive_Synchronous);<a name="line.1163"></a>
<FONT color="green">1164</FONT>                                    boolean isSendBlocking = (Boolean) getOption(OptionUDT.Is_Send_Synchronous);<a name="line.1164"></a>
<FONT color="green">1165</FONT>                                    return !isReceiveBlocking &amp;&amp; !isSendBlocking;<a name="line.1165"></a>
<FONT color="green">1166</FONT>                            }<a name="line.1166"></a>
<FONT color="green">1167</FONT>                    } catch (Exception e) {<a name="line.1167"></a>
<FONT color="green">1168</FONT>                            log.error("unexpected;", e);<a name="line.1168"></a>
<FONT color="green">1169</FONT>                    }<a name="line.1169"></a>
<FONT color="green">1170</FONT>                    return false;<a name="line.1170"></a>
<FONT color="green">1171</FONT>            }<a name="line.1171"></a>
<FONT color="green">1172</FONT>    <a name="line.1172"></a>
<FONT color="green">1173</FONT>            /**<a name="line.1173"></a>
<FONT color="green">1174</FONT>             * Get maximum send buffer size. Reflects minimum of protocol-level (UDT)<a name="line.1174"></a>
<FONT color="green">1175</FONT>             * and kernel-level(UDP) settings.<a name="line.1175"></a>
<FONT color="green">1176</FONT>             * <a name="line.1176"></a>
<FONT color="green">1177</FONT>             * @see java.net.Socket#getSendBufferSize()<a name="line.1177"></a>
<FONT color="green">1178</FONT>             */<a name="line.1178"></a>
<FONT color="green">1179</FONT>            public final int getSendBufferSize() throws ExceptionUDT {<a name="line.1179"></a>
<FONT color="green">1180</FONT>                    final int protocolSize = (Integer) getOption(OptionUDT.Protocol_Send_Buffer_Size);<a name="line.1180"></a>
<FONT color="green">1181</FONT>                    final int kernelSize = (Integer) getOption(OptionUDT.Kernel_Send_Buffer_Size);<a name="line.1181"></a>
<FONT color="green">1182</FONT>                    return Math.min(protocolSize, kernelSize);<a name="line.1182"></a>
<FONT color="green">1183</FONT>            }<a name="line.1183"></a>
<FONT color="green">1184</FONT>    <a name="line.1184"></a>
<FONT color="green">1185</FONT>            /**<a name="line.1185"></a>
<FONT color="green">1186</FONT>             * Get maximum receive buffer size. Reflects minimum of protocol-level (UDT)<a name="line.1186"></a>
<FONT color="green">1187</FONT>             * and kernel-level(UDP) settings.<a name="line.1187"></a>
<FONT color="green">1188</FONT>             * <a name="line.1188"></a>
<FONT color="green">1189</FONT>             * @see java.net.Socket#getReceiveBufferSize()<a name="line.1189"></a>
<FONT color="green">1190</FONT>             */<a name="line.1190"></a>
<FONT color="green">1191</FONT>            public final int getReceiveBufferSize() throws ExceptionUDT {<a name="line.1191"></a>
<FONT color="green">1192</FONT>                    final int protocolSize = (Integer) getOption(OptionUDT.Protocol_Receive_Buffer_Size);<a name="line.1192"></a>
<FONT color="green">1193</FONT>                    final int kernelSize = (Integer) getOption(OptionUDT.Kernel_Receive_Buffer_Size);<a name="line.1193"></a>
<FONT color="green">1194</FONT>                    return Math.min(protocolSize, kernelSize);<a name="line.1194"></a>
<FONT color="green">1195</FONT>            }<a name="line.1195"></a>
<FONT color="green">1196</FONT>    <a name="line.1196"></a>
<FONT color="green">1197</FONT>            /**<a name="line.1197"></a>
<FONT color="green">1198</FONT>             * Check if local bind address is set to reuse mode.<a name="line.1198"></a>
<FONT color="green">1199</FONT>             * <a name="line.1199"></a>
<FONT color="green">1200</FONT>             * @see java.net.Socket#getReuseAddress()<a name="line.1200"></a>
<FONT color="green">1201</FONT>             */<a name="line.1201"></a>
<FONT color="green">1202</FONT>            public final boolean getReuseAddress() throws ExceptionUDT {<a name="line.1202"></a>
<FONT color="green">1203</FONT>                    return (Boolean) getOption(OptionUDT.Is_Address_Reuse_Enabled);<a name="line.1203"></a>
<FONT color="green">1204</FONT>            }<a name="line.1204"></a>
<FONT color="green">1205</FONT>    <a name="line.1205"></a>
<FONT color="green">1206</FONT>            /**<a name="line.1206"></a>
<FONT color="green">1207</FONT>             * Get time to linger on close (seconds).<a name="line.1207"></a>
<FONT color="green">1208</FONT>             * <a name="line.1208"></a>
<FONT color="green">1209</FONT>             * @see java.net.Socket#getSoLinger()<a name="line.1209"></a>
<FONT color="green">1210</FONT>             */<a name="line.1210"></a>
<FONT color="green">1211</FONT>            public final int getSoLinger() throws ExceptionUDT {<a name="line.1211"></a>
<FONT color="green">1212</FONT>                    return ((LingerUDT) getOption(OptionUDT.Time_To_Linger_On_Close))<a name="line.1212"></a>
<FONT color="green">1213</FONT>                                    .intValue();<a name="line.1213"></a>
<FONT color="green">1214</FONT>            }<a name="line.1214"></a>
<FONT color="green">1215</FONT>    <a name="line.1215"></a>
<FONT color="green">1216</FONT>            /**<a name="line.1216"></a>
<FONT color="green">1217</FONT>             * Get "any blocking operation" timeout setting.<a name="line.1217"></a>
<FONT color="green">1218</FONT>             * <a name="line.1218"></a>
<FONT color="green">1219</FONT>             * Returns milliseconds; zero return means "infinite"; negative means<a name="line.1219"></a>
<FONT color="green">1220</FONT>             * invalid<a name="line.1220"></a>
<FONT color="green">1221</FONT>             * <a name="line.1221"></a>
<FONT color="green">1222</FONT>             * @see java.net.Socket#getSoTimeout()<a name="line.1222"></a>
<FONT color="green">1223</FONT>             */<a name="line.1223"></a>
<FONT color="green">1224</FONT>            public final int getSoTimeout() throws ExceptionUDT {<a name="line.1224"></a>
<FONT color="green">1225</FONT>                    final int sendTimeout = (Integer) getOption(OptionUDT.Send_Timeout);<a name="line.1225"></a>
<FONT color="green">1226</FONT>                    final int receiveTimeout = (Integer) getOption(OptionUDT.Receive_Timeout);<a name="line.1226"></a>
<FONT color="green">1227</FONT>                    final int millisTimeout;<a name="line.1227"></a>
<FONT color="green">1228</FONT>                    if (sendTimeout != receiveTimeout) {<a name="line.1228"></a>
<FONT color="green">1229</FONT>                            log.error("sendTimeout != receiveTimeout");<a name="line.1229"></a>
<FONT color="green">1230</FONT>                            millisTimeout = Math.max(sendTimeout, receiveTimeout);<a name="line.1230"></a>
<FONT color="green">1231</FONT>                    } else {<a name="line.1231"></a>
<FONT color="green">1232</FONT>                            // map from UDT value convention to java.net.Socket value convention<a name="line.1232"></a>
<FONT color="green">1233</FONT>                            if (sendTimeout &lt; 0) {<a name="line.1233"></a>
<FONT color="green">1234</FONT>                                    // UDT infinite<a name="line.1234"></a>
<FONT color="green">1235</FONT>                                    millisTimeout = 0;<a name="line.1235"></a>
<FONT color="green">1236</FONT>                            } else if (sendTimeout &gt; 0) {<a name="line.1236"></a>
<FONT color="green">1237</FONT>                                    // UDT finite<a name="line.1237"></a>
<FONT color="green">1238</FONT>                                    millisTimeout = sendTimeout;<a name="line.1238"></a>
<FONT color="green">1239</FONT>                            } else { // ==0<a name="line.1239"></a>
<FONT color="green">1240</FONT>                                    log.error("UDT reported unexpected zero timeout");<a name="line.1240"></a>
<FONT color="green">1241</FONT>                                    millisTimeout = -1;<a name="line.1241"></a>
<FONT color="green">1242</FONT>                            }<a name="line.1242"></a>
<FONT color="green">1243</FONT>                    }<a name="line.1243"></a>
<FONT color="green">1244</FONT>                    return millisTimeout;<a name="line.1244"></a>
<FONT color="green">1245</FONT>            }<a name="line.1245"></a>
<FONT color="green">1246</FONT>    <a name="line.1246"></a>
<FONT color="green">1247</FONT>            /**<a name="line.1247"></a>
<FONT color="green">1248</FONT>             * Set maximum send buffer size. Affects both protocol-level (UDT) and<a name="line.1248"></a>
<FONT color="green">1249</FONT>             * kernel-level(UDP) settings<a name="line.1249"></a>
<FONT color="green">1250</FONT>             * <a name="line.1250"></a>
<FONT color="green">1251</FONT>             * @see java.net.Socket#setSendBufferSize(int)<a name="line.1251"></a>
<FONT color="green">1252</FONT>             */<a name="line.1252"></a>
<FONT color="green">1253</FONT>            public final void setSendBufferSize(final int size) throws ExceptionUDT {<a name="line.1253"></a>
<FONT color="green">1254</FONT>                    setOption(OptionUDT.Protocol_Send_Buffer_Size, size);<a name="line.1254"></a>
<FONT color="green">1255</FONT>                    setOption(OptionUDT.Kernel_Send_Buffer_Size, size);<a name="line.1255"></a>
<FONT color="green">1256</FONT>            }<a name="line.1256"></a>
<FONT color="green">1257</FONT>    <a name="line.1257"></a>
<FONT color="green">1258</FONT>            /**<a name="line.1258"></a>
<FONT color="green">1259</FONT>             * Set maximum receive buffer size. Affects both protocol-level (UDT) and<a name="line.1259"></a>
<FONT color="green">1260</FONT>             * kernel-level(UDP) settings.<a name="line.1260"></a>
<FONT color="green">1261</FONT>             */<a name="line.1261"></a>
<FONT color="green">1262</FONT>            public final void setReceiveBufferSize(final int size) throws ExceptionUDT {<a name="line.1262"></a>
<FONT color="green">1263</FONT>                    setOption(OptionUDT.Protocol_Receive_Buffer_Size, size);<a name="line.1263"></a>
<FONT color="green">1264</FONT>                    setOption(OptionUDT.Kernel_Receive_Buffer_Size, size);<a name="line.1264"></a>
<FONT color="green">1265</FONT>            }<a name="line.1265"></a>
<FONT color="green">1266</FONT>    <a name="line.1266"></a>
<FONT color="green">1267</FONT>            public final void setReuseAddress(final boolean on) throws ExceptionUDT {<a name="line.1267"></a>
<FONT color="green">1268</FONT>                    setOption(OptionUDT.Is_Address_Reuse_Enabled, on);<a name="line.1268"></a>
<FONT color="green">1269</FONT>            }<a name="line.1269"></a>
<FONT color="green">1270</FONT>    <a name="line.1270"></a>
<FONT color="green">1271</FONT>            public final void setSoLinger(final boolean on, final int linger)<a name="line.1271"></a>
<FONT color="green">1272</FONT>                            throws ExceptionUDT {<a name="line.1272"></a>
<FONT color="green">1273</FONT>                    if (on) {<a name="line.1273"></a>
<FONT color="green">1274</FONT>                            if (linger &lt;= 0) {<a name="line.1274"></a>
<FONT color="green">1275</FONT>                                    // keep JDK contract for setSoLinger parameters<a name="line.1275"></a>
<FONT color="green">1276</FONT>                                    throw new IllegalArgumentException("linger &lt;= 0");<a name="line.1276"></a>
<FONT color="green">1277</FONT>                            }<a name="line.1277"></a>
<FONT color="green">1278</FONT>                            setOption(OptionUDT.Time_To_Linger_On_Close, new LingerUDT(linger));<a name="line.1278"></a>
<FONT color="green">1279</FONT>                    } else {<a name="line.1279"></a>
<FONT color="green">1280</FONT>                            setOption(OptionUDT.Time_To_Linger_On_Close, LingerUDT.LINGER_ZERO);<a name="line.1280"></a>
<FONT color="green">1281</FONT>                    }<a name="line.1281"></a>
<FONT color="green">1282</FONT>            }<a name="line.1282"></a>
<FONT color="green">1283</FONT>    <a name="line.1283"></a>
<FONT color="green">1284</FONT>            /**<a name="line.1284"></a>
<FONT color="green">1285</FONT>             * call timeout (milliseconds); Set a timeout on blocking Socket operations:<a name="line.1285"></a>
<FONT color="green">1286</FONT>             * ServerSocket.accept(); SocketInputStream.read();<a name="line.1286"></a>
<FONT color="green">1287</FONT>             * DatagramSocket.receive(); Enable/disable SO_TIMEOUT with the specified<a name="line.1287"></a>
<FONT color="green">1288</FONT>             * timeout, in milliseconds. A timeout of zero is interpreted as an infinite<a name="line.1288"></a>
<FONT color="green">1289</FONT>             * timeout.<a name="line.1289"></a>
<FONT color="green">1290</FONT>             */<a name="line.1290"></a>
<FONT color="green">1291</FONT>            public final void setSoTimeout(/* non-final */int millisTimeout)<a name="line.1291"></a>
<FONT color="green">1292</FONT>                            throws ExceptionUDT {<a name="line.1292"></a>
<FONT color="green">1293</FONT>                    if (millisTimeout &lt; 0) {<a name="line.1293"></a>
<FONT color="green">1294</FONT>                            throw new IllegalArgumentException("timeout &lt; 0");<a name="line.1294"></a>
<FONT color="green">1295</FONT>                    }<a name="line.1295"></a>
<FONT color="green">1296</FONT>                    if (millisTimeout == 0) {<a name="line.1296"></a>
<FONT color="green">1297</FONT>                            // UDT uses different value for "infinite"<a name="line.1297"></a>
<FONT color="green">1298</FONT>                            millisTimeout = INFINITE_TIMEOUT;<a name="line.1298"></a>
<FONT color="green">1299</FONT>                    }<a name="line.1299"></a>
<FONT color="green">1300</FONT>                    setOption(OptionUDT.Send_Timeout, millisTimeout);<a name="line.1300"></a>
<FONT color="green">1301</FONT>                    setOption(OptionUDT.Receive_Timeout, millisTimeout);<a name="line.1301"></a>
<FONT color="green">1302</FONT>            }<a name="line.1302"></a>
<FONT color="green">1303</FONT>    <a name="line.1303"></a>
<FONT color="green">1304</FONT>            /**<a name="line.1304"></a>
<FONT color="green">1305</FONT>             * @return null : not connected&lt;br&gt;<a name="line.1305"></a>
<FONT color="green">1306</FONT>             *         not null : valid address; result of<a name="line.1306"></a>
<FONT color="green">1307</FONT>             *         {@link #connect(InetSocketAddress)}&lt;br&gt;<a name="line.1307"></a>
<FONT color="green">1308</FONT>             */<a name="line.1308"></a>
<FONT color="green">1309</FONT>            public final InetAddress getRemoteInetAddress() {<a name="line.1309"></a>
<FONT color="green">1310</FONT>                    try {<a name="line.1310"></a>
<FONT color="green">1311</FONT>                            final InetSocketAddress remote = getRemoteSocketAddress();<a name="line.1311"></a>
<FONT color="green">1312</FONT>                            if (remote == null) {<a name="line.1312"></a>
<FONT color="green">1313</FONT>                                    return null;<a name="line.1313"></a>
<FONT color="green">1314</FONT>                            } else {<a name="line.1314"></a>
<FONT color="green">1315</FONT>                                    return remote.getAddress();<a name="line.1315"></a>
<FONT color="green">1316</FONT>                            }<a name="line.1316"></a>
<FONT color="green">1317</FONT>                    } catch (ExceptionUDT e) {<a name="line.1317"></a>
<FONT color="green">1318</FONT>                            log.debug("unexpected", e);<a name="line.1318"></a>
<FONT color="green">1319</FONT>                            return null;<a name="line.1319"></a>
<FONT color="green">1320</FONT>                    }<a name="line.1320"></a>
<FONT color="green">1321</FONT>            }<a name="line.1321"></a>
<FONT color="green">1322</FONT>    <a name="line.1322"></a>
<FONT color="green">1323</FONT>            /**<a name="line.1323"></a>
<FONT color="green">1324</FONT>             * @return 0 : not connected&lt;br&gt;<a name="line.1324"></a>
<FONT color="green">1325</FONT>             *         &gt;0 : valid port ; result of {@link #connect(InetSocketAddress)}&lt;br&gt;<a name="line.1325"></a>
<FONT color="green">1326</FONT>             */<a name="line.1326"></a>
<FONT color="green">1327</FONT>            public final int getRemoteInetPort() {<a name="line.1327"></a>
<FONT color="green">1328</FONT>                    try {<a name="line.1328"></a>
<FONT color="green">1329</FONT>                            final InetSocketAddress remote = getRemoteSocketAddress();<a name="line.1329"></a>
<FONT color="green">1330</FONT>                            if (remote == null) {<a name="line.1330"></a>
<FONT color="green">1331</FONT>                                    return 0;<a name="line.1331"></a>
<FONT color="green">1332</FONT>                            } else {<a name="line.1332"></a>
<FONT color="green">1333</FONT>                                    return remote.getPort();<a name="line.1333"></a>
<FONT color="green">1334</FONT>                            }<a name="line.1334"></a>
<FONT color="green">1335</FONT>                    } catch (ExceptionUDT e) {<a name="line.1335"></a>
<FONT color="green">1336</FONT>                            log.debug("unexpected", e);<a name="line.1336"></a>
<FONT color="green">1337</FONT>                            return 0;<a name="line.1337"></a>
<FONT color="green">1338</FONT>                    }<a name="line.1338"></a>
<FONT color="green">1339</FONT>            }<a name="line.1339"></a>
<FONT color="green">1340</FONT>    <a name="line.1340"></a>
<FONT color="green">1341</FONT>            /**<a name="line.1341"></a>
<FONT color="green">1342</FONT>             * @return null : not bound&lt;br&gt;<a name="line.1342"></a>
<FONT color="green">1343</FONT>             *         not null : valid address; result of<a name="line.1343"></a>
<FONT color="green">1344</FONT>             *         {@link #bind(InetSocketAddress)}&lt;br&gt;<a name="line.1344"></a>
<FONT color="green">1345</FONT>             */<a name="line.1345"></a>
<FONT color="green">1346</FONT>            public final InetAddress getLocalInetAddress() {<a name="line.1346"></a>
<FONT color="green">1347</FONT>                    try {<a name="line.1347"></a>
<FONT color="green">1348</FONT>                            final InetSocketAddress local = getLocalSocketAddress();<a name="line.1348"></a>
<FONT color="green">1349</FONT>                            if (local == null) {<a name="line.1349"></a>
<FONT color="green">1350</FONT>                                    return null;<a name="line.1350"></a>
<FONT color="green">1351</FONT>                            } else {<a name="line.1351"></a>
<FONT color="green">1352</FONT>                                    return local.getAddress();<a name="line.1352"></a>
<FONT color="green">1353</FONT>                            }<a name="line.1353"></a>
<FONT color="green">1354</FONT>                    } catch (ExceptionUDT e) {<a name="line.1354"></a>
<FONT color="green">1355</FONT>                            log.debug("unexpected", e);<a name="line.1355"></a>
<FONT color="green">1356</FONT>                            return null;<a name="line.1356"></a>
<FONT color="green">1357</FONT>                    }<a name="line.1357"></a>
<FONT color="green">1358</FONT>            }<a name="line.1358"></a>
<FONT color="green">1359</FONT>    <a name="line.1359"></a>
<FONT color="green">1360</FONT>            /**<a name="line.1360"></a>
<FONT color="green">1361</FONT>             * @return 0 : not bound&lt;br&gt;<a name="line.1361"></a>
<FONT color="green">1362</FONT>             *         &gt;0 : valid port; result of {@link #bind(InetSocketAddress)}&lt;br&gt;<a name="line.1362"></a>
<FONT color="green">1363</FONT>             */<a name="line.1363"></a>
<FONT color="green">1364</FONT>            public final int getLocalInetPort() {<a name="line.1364"></a>
<FONT color="green">1365</FONT>                    try {<a name="line.1365"></a>
<FONT color="green">1366</FONT>                            final InetSocketAddress local = getLocalSocketAddress();<a name="line.1366"></a>
<FONT color="green">1367</FONT>                            if (local == null) {<a name="line.1367"></a>
<FONT color="green">1368</FONT>                                    return 0;<a name="line.1368"></a>
<FONT color="green">1369</FONT>                            } else {<a name="line.1369"></a>
<FONT color="green">1370</FONT>                                    return local.getPort();<a name="line.1370"></a>
<FONT color="green">1371</FONT>                            }<a name="line.1371"></a>
<FONT color="green">1372</FONT>                    } catch (ExceptionUDT e) {<a name="line.1372"></a>
<FONT color="green">1373</FONT>                            log.debug("unexpected", e);<a name="line.1373"></a>
<FONT color="green">1374</FONT>                            return 0;<a name="line.1374"></a>
<FONT color="green">1375</FONT>                    }<a name="line.1375"></a>
<FONT color="green">1376</FONT>            }<a name="line.1376"></a>
<FONT color="green">1377</FONT>    <a name="line.1377"></a>
<FONT color="green">1378</FONT>            //<a name="line.1378"></a>
<FONT color="green">1379</FONT>    <a name="line.1379"></a>
<FONT color="green">1380</FONT>            /**<a name="line.1380"></a>
<FONT color="green">1381</FONT>             * Note: uses {@link #socketID} as hash code.<a name="line.1381"></a>
<FONT color="green">1382</FONT>             */<a name="line.1382"></a>
<FONT color="green">1383</FONT>            @Override<a name="line.1383"></a>
<FONT color="green">1384</FONT>            public final int hashCode() {<a name="line.1384"></a>
<FONT color="green">1385</FONT>                    return socketID;<a name="line.1385"></a>
<FONT color="green">1386</FONT>            }<a name="line.1386"></a>
<FONT color="green">1387</FONT>    <a name="line.1387"></a>
<FONT color="green">1388</FONT>            /**<a name="line.1388"></a>
<FONT color="green">1389</FONT>             * Note: equality is based on {@link #socketID}.<a name="line.1389"></a>
<FONT color="green">1390</FONT>             */<a name="line.1390"></a>
<FONT color="green">1391</FONT>            @Override<a name="line.1391"></a>
<FONT color="green">1392</FONT>            public final boolean equals(final Object otherSocketUDT) {<a name="line.1392"></a>
<FONT color="green">1393</FONT>                    if (otherSocketUDT instanceof SocketUDT) {<a name="line.1393"></a>
<FONT color="green">1394</FONT>                            final SocketUDT other = (SocketUDT) otherSocketUDT;<a name="line.1394"></a>
<FONT color="green">1395</FONT>                            return other.socketID == this.socketID;<a name="line.1395"></a>
<FONT color="green">1396</FONT>                    }<a name="line.1396"></a>
<FONT color="green">1397</FONT>                    return false;<a name="line.1397"></a>
<FONT color="green">1398</FONT>            }<a name="line.1398"></a>
<FONT color="green">1399</FONT>    <a name="line.1399"></a>
<FONT color="green">1400</FONT>            //<a name="line.1400"></a>
<FONT color="green">1401</FONT>            @Override<a name="line.1401"></a>
<FONT color="green">1402</FONT>            public String toString() {<a name="line.1402"></a>
<FONT color="green">1403</FONT>                    return " socketID="<a name="line.1403"></a>
<FONT color="green">1404</FONT>                                    + socketID //<a name="line.1404"></a>
<FONT color="green">1405</FONT>                                    + " type="<a name="line.1405"></a>
<FONT color="green">1406</FONT>                                    + type //<a name="line.1406"></a>
<FONT color="green">1407</FONT>                                    + " isOpen="<a name="line.1407"></a>
<FONT color="green">1408</FONT>                                    + isOpen() //<a name="line.1408"></a>
<FONT color="green">1409</FONT>                                    + " isNonBlocking="<a name="line.1409"></a>
<FONT color="green">1410</FONT>                                    + isNonBlocking() //<a name="line.1410"></a>
<FONT color="green">1411</FONT>                                    + " local=" + getLocalInetAddress() + ":"<a name="line.1411"></a>
<FONT color="green">1412</FONT>                                    + getLocalInetPort()//<a name="line.1412"></a>
<FONT color="green">1413</FONT>                                    + " remote=" + getRemoteInetAddress() + ":"<a name="line.1413"></a>
<FONT color="green">1414</FONT>                                    + getRemoteInetPort()//<a name="line.1414"></a>
<FONT color="green">1415</FONT>                    ;<a name="line.1415"></a>
<FONT color="green">1416</FONT>            }<a name="line.1416"></a>
<FONT color="green">1417</FONT>    <a name="line.1417"></a>
<FONT color="green">1418</FONT>            /**<a name="line.1418"></a>
<FONT color="green">1419</FONT>             * Show current socket options.<a name="line.1419"></a>
<FONT color="green">1420</FONT>             */<a name="line.1420"></a>
<FONT color="green">1421</FONT>            public String toStringOptions() {<a name="line.1421"></a>
<FONT color="green">1422</FONT>    <a name="line.1422"></a>
<FONT color="green">1423</FONT>                    final StringBuilder text = new StringBuilder(1024);<a name="line.1423"></a>
<FONT color="green">1424</FONT>    <a name="line.1424"></a>
<FONT color="green">1425</FONT>                    OptionUDT.appendSnapshot(this, text);<a name="line.1425"></a>
<FONT color="green">1426</FONT>    <a name="line.1426"></a>
<FONT color="green">1427</FONT>                    return text.toString();<a name="line.1427"></a>
<FONT color="green">1428</FONT>    <a name="line.1428"></a>
<FONT color="green">1429</FONT>            }<a name="line.1429"></a>
<FONT color="green">1430</FONT>    <a name="line.1430"></a>
<FONT color="green">1431</FONT>            /**<a name="line.1431"></a>
<FONT color="green">1432</FONT>             * Show current monitor status.<a name="line.1432"></a>
<FONT color="green">1433</FONT>             */<a name="line.1433"></a>
<FONT color="green">1434</FONT>            public String toStringMonitor() {<a name="line.1434"></a>
<FONT color="green">1435</FONT>    <a name="line.1435"></a>
<FONT color="green">1436</FONT>                    try {<a name="line.1436"></a>
<FONT color="green">1437</FONT>                            updateMonitor(false);<a name="line.1437"></a>
<FONT color="green">1438</FONT>                    } catch (Exception e) {<a name="line.1438"></a>
<FONT color="green">1439</FONT>                            return "updateMonitor failed;" + e.getMessage();<a name="line.1439"></a>
<FONT color="green">1440</FONT>                    }<a name="line.1440"></a>
<FONT color="green">1441</FONT>    <a name="line.1441"></a>
<FONT color="green">1442</FONT>                    final StringBuilder text = new StringBuilder(1024);<a name="line.1442"></a>
<FONT color="green">1443</FONT>    <a name="line.1443"></a>
<FONT color="green">1444</FONT>                    monitor.appendSnapshot(text);<a name="line.1444"></a>
<FONT color="green">1445</FONT>    <a name="line.1445"></a>
<FONT color="green">1446</FONT>                    return text.toString();<a name="line.1446"></a>
<FONT color="green">1447</FONT>    <a name="line.1447"></a>
<FONT color="green">1448</FONT>            }<a name="line.1448"></a>
<FONT color="green">1449</FONT>    <a name="line.1449"></a>
<FONT color="green">1450</FONT>            //<a name="line.1450"></a>
<FONT color="green">1451</FONT>    <a name="line.1451"></a>
<FONT color="green">1452</FONT>            /**<a name="line.1452"></a>
<FONT color="green">1453</FONT>             * @return epoll id<a name="line.1453"></a>
<FONT color="green">1454</FONT>             * <a name="line.1454"></a>
<FONT color="green">1455</FONT>             * @see &lt;a http://udt.sourceforge.net/udt4/doc/epoll.htm&lt;/a&gt;<a name="line.1455"></a>
<FONT color="green">1456</FONT>             */<a name="line.1456"></a>
<FONT color="green">1457</FONT>            protected static native int epollCreate() throws ExceptionUDT;<a name="line.1457"></a>
<FONT color="green">1458</FONT>    <a name="line.1458"></a>
<FONT color="green">1459</FONT>            /**<a name="line.1459"></a>
<FONT color="green">1460</FONT>             * @see &lt;a http://udt.sourceforge.net/udt4/doc/epoll.htm&lt;/a&gt;<a name="line.1460"></a>
<FONT color="green">1461</FONT>             */<a name="line.1461"></a>
<FONT color="green">1462</FONT>            protected static native void epollRelease(final int epollID)<a name="line.1462"></a>
<FONT color="green">1463</FONT>                            throws ExceptionUDT;<a name="line.1463"></a>
<FONT color="green">1464</FONT>    <a name="line.1464"></a>
<FONT color="green">1465</FONT>            /**<a name="line.1465"></a>
<FONT color="green">1466</FONT>             * @see &lt;a http://udt.sourceforge.net/udt4/doc/epoll.htm&lt;/a&gt;<a name="line.1466"></a>
<FONT color="green">1467</FONT>             */<a name="line.1467"></a>
<FONT color="green">1468</FONT>            protected static native void epollAdd(//<a name="line.1468"></a>
<FONT color="green">1469</FONT>                            final int epollID, final int socketID) throws ExceptionUDT;<a name="line.1469"></a>
<FONT color="green">1470</FONT>    <a name="line.1470"></a>
<FONT color="green">1471</FONT>            /**<a name="line.1471"></a>
<FONT color="green">1472</FONT>             * @see &lt;a http://udt.sourceforge.net/udt4/doc/epoll.htm&lt;/a&gt;<a name="line.1472"></a>
<FONT color="green">1473</FONT>             */<a name="line.1473"></a>
<FONT color="green">1474</FONT>            protected static native void epollRemove(//<a name="line.1474"></a>
<FONT color="green">1475</FONT>                            final int epollID, final int socketID) throws ExceptionUDT;<a name="line.1475"></a>
<FONT color="green">1476</FONT>    <a name="line.1476"></a>
<FONT color="green">1477</FONT>            /**<a name="line.1477"></a>
<FONT color="green">1478</FONT>             * @see &lt;a http://udt.sourceforge.net/udt4/doc/epoll.htm&lt;/a&gt;<a name="line.1478"></a>
<FONT color="green">1479</FONT>             */<a name="line.1479"></a>
<FONT color="green">1480</FONT>            protected static native int epollWait( //<a name="line.1480"></a>
<FONT color="green">1481</FONT>                            final int epollID, //<a name="line.1481"></a>
<FONT color="green">1482</FONT>                            final IntBuffer readBuffer, //<a name="line.1482"></a>
<FONT color="green">1483</FONT>                            final IntBuffer writeBuffer, //<a name="line.1483"></a>
<FONT color="green">1484</FONT>                            final IntBuffer exceptBuffer, //<a name="line.1484"></a>
<FONT color="green">1485</FONT>                            final IntBuffer sizeBuffer, //<a name="line.1485"></a>
<FONT color="green">1486</FONT>                            final long millisTimeout) throws ExceptionUDT;<a name="line.1486"></a>
<FONT color="green">1487</FONT>    <a name="line.1487"></a>
<FONT color="green">1488</FONT>            // ###########################################<a name="line.1488"></a>
<FONT color="green">1489</FONT>            // ### used for development &amp; testing only<a name="line.1489"></a>
<FONT color="green">1490</FONT>            // ###<a name="line.1490"></a>
<FONT color="green">1491</FONT>    <a name="line.1491"></a>
<FONT color="green">1492</FONT>            native void testEmptyCall0();<a name="line.1492"></a>
<FONT color="green">1493</FONT>    <a name="line.1493"></a>
<FONT color="green">1494</FONT>            native void testIterateArray0(Object[] array);<a name="line.1494"></a>
<FONT color="green">1495</FONT>    <a name="line.1495"></a>
<FONT color="green">1496</FONT>            native void testIterateSet0(Set&lt;Object&gt; set);<a name="line.1496"></a>
<FONT color="green">1497</FONT>    <a name="line.1497"></a>
<FONT color="green">1498</FONT>            native int[] testMakeArray0(int size);<a name="line.1498"></a>
<FONT color="green">1499</FONT>    <a name="line.1499"></a>
<FONT color="green">1500</FONT>            native void testGetSetArray0(int[] array, boolean isReturn);<a name="line.1500"></a>
<FONT color="green">1501</FONT>    <a name="line.1501"></a>
<FONT color="green">1502</FONT>            native void testInvalidClose0(int socketID) throws ExceptionUDT;<a name="line.1502"></a>
<FONT color="green">1503</FONT>    <a name="line.1503"></a>
<FONT color="green">1504</FONT>            native void testCrashJVM0();<a name="line.1504"></a>
<FONT color="green">1505</FONT>    <a name="line.1505"></a>
<FONT color="green">1506</FONT>            native void testDirectByteBufferAccess0(ByteBuffer buffer);<a name="line.1506"></a>
<FONT color="green">1507</FONT>    <a name="line.1507"></a>
<FONT color="green">1508</FONT>            native void testDirectIntBufferAccess0(IntBuffer buffer);<a name="line.1508"></a>
<FONT color="green">1509</FONT>    <a name="line.1509"></a>
<FONT color="green">1510</FONT>            native void testFillArray0(byte[] array);<a name="line.1510"></a>
<FONT color="green">1511</FONT>    <a name="line.1511"></a>
<FONT color="green">1512</FONT>            native void testFillBuffer0(ByteBuffer buffer);<a name="line.1512"></a>
<FONT color="green">1513</FONT>    <a name="line.1513"></a>
<FONT color="green">1514</FONT>            native void testSocketStatus0();<a name="line.1514"></a>
<FONT color="green">1515</FONT>    <a name="line.1515"></a>
<FONT color="green">1516</FONT>            native void testEpoll0(); //<a name="line.1516"></a>
<FONT color="green">1517</FONT>    <a name="line.1517"></a>
<FONT color="green">1518</FONT>            public static final IntBuffer newDirectIntBufer(int capacity) {<a name="line.1518"></a>
<FONT color="green">1519</FONT>                    return ByteBuffer. //<a name="line.1519"></a>
<FONT color="green">1520</FONT>                                    allocateDirect(capacity * SocketUDT.JAVA_INT_SIZE_IN_BYTES). //<a name="line.1520"></a>
<FONT color="green">1521</FONT>                                    order(ByteOrder.nativeOrder()). //<a name="line.1521"></a>
<FONT color="green">1522</FONT>                                    asIntBuffer();<a name="line.1522"></a>
<FONT color="green">1523</FONT>            }<a name="line.1523"></a>
<FONT color="green">1524</FONT>    <a name="line.1524"></a>
<FONT color="green">1525</FONT>            // ###<a name="line.1525"></a>
<FONT color="green">1526</FONT>            // ### used for development &amp; testing only<a name="line.1526"></a>
<FONT color="green">1527</FONT>            // ###########################################<a name="line.1527"></a>
<FONT color="green">1528</FONT>    <a name="line.1528"></a>
<FONT color="green">1529</FONT>    }<a name="line.1529"></a>




























































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